When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

{3}, {T}: Tap target creature. Gain control of that creature instead if you control artifacts named Scepter of Empires and Throne of Empires.

Door to Nothingness enters the battlefield tapped. {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice Door to Nothingness: Target player loses the game.

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast.

The "legend rule" doesn't apply.

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

Equipped creature gets +2/+2 and has protection from red and from white. Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand. Equip {2}

{1}{G}: Target Kavu creature gets -1/+1 until end of turn.

Whenever a creature token enters the battlefield under your control, you gain 1 life. Embalm {3}{W} ({3}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.)

Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

Flying Bloodied Ghost enters the battlefield with a -1/-1 counter on it.

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Whenever Broodbirth Viper deals combat damage to a player, you may draw a card.

Flying When Cavern Harpy enters the battlefield, return a blue or black creature you control to its owner's hand. Pay 1 life: Return Cavern Harpy to its owner's hand.

When Ceremonial Guard attacks or blocks, destroy it at end of combat.

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Champion of the Parish.

Whenever you cast a noncreature spell, put a +1/+1 counter on Deeproot Champion.

Defender (This creature can't attack.) Flying Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

{1}{Z}: Put a +1/+2 counter on Experiment Five. ({Z} is paid with one mana from any source that could produce two or more colors of mana.)

Kicker {B} (You may pay an additional {B} as you cast this spell.) When Gatekeeper of Malakir enters the battlefield, if it was kicked, target player sacrifices a creature.

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.) When you cycle Gempalm Polluter, you may have target player lose life equal to the number of Zombies on the battlefield.

At the beginning of each end step, you may have Geometric Weird's base power and toughness each become equal to the greatest number of spells and abilities from different sources that were on the stack simultaneously that turn.

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.) Whenever Graceful Antelope deals combat damage to a player, you may have target land become a Plains until Graceful Antelope leaves the battlefield.

{B}{B}{B}, {T}: Destroy target land. If that land was nonbasic, untap Helldozer.

All targeted spells and abilities cost {2} less and have their targets chosen randomly.

If Impatient Iguana is in your opening hand and you're not the starting player, you may reveal it. If you do, you become the starting player. Haste

Legacy — Before the game starts, choose a keyword or ability word and write it below. Spells with __________ you cast cost {1} less to cast.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Invisible Stalker can't be blocked.

Level up {1}{G} ({1}{G}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-4 1/2 {T}: Add {G}{G}. LEVEL 5+ 1/4 Elves you control have "{T}: Add {G}{G}."

If you would draw a card while your library has no cards in it, you win the game instead.

Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may put target nonland permanent on top of its owner's library.

Motivate {3}{R} (This creature can't attack or block unless you have paid its motivate cost once. Motivate only as a sorcery.) When Lazier Goblin enters the battlefield, it deals 2 damage to any target.

When Lightning Colt enters the battlefield, it deals 3 damage to any target.

Vigilance Whenever a white creature you control attacks, you gain 1 life.

At the beginning of each player's upkeep, that player sacrifices an artifact.

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.) As long as Nightshade Peddler is paired with another creature, both creatures have deathtouch.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Order of Yawgmoth deals damage to a player, that player discards a card.

Trample While you're searching your library, you may cast Panglacial Wurm from your library.

Pentavus enters the battlefield with five +1/+1 counters on it. {1}, Remove a +1/+1 counter from Pentavus: Create a 1/1 colorless Pentavite artifact creature token with flying. {1}, Sacrifice a Pentavite: Put a +1/+1 counter on Pentavus.

Flying {7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

Haste The stack is now first in, first out instead of last in, first out. (The first spell or ability on the stack is the first one to resolve.)

{1}{U}: Exchange Red Herring from your hand with a permanent you control on the battlefield or a spell you control on the stack. If that permanent or spell was the target of a spell or ability, change that target to Red Herring.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless Rats.

When Riftsweeper enters the battlefield, choose target face-up exiled card. Its owner shuffles it into their library.

Whenever Saber Ants is dealt damage, you may create that many 1/1 green Insect creature tokens.

Tasty (This creature can be attacked directly. If it is attacked, it can't block creatures that didn't attack it.)

Trample Untapped creatures can't block. Tapped creatures can block.

Tap three untapped creatures you control: Each opponent loses 1 life.

Exile Simian Spirit Guide from your hand: Add {R}.

Slivers you control have flying and "Whenever you draw a card, this creature deals 1 damage to any target" and "{T}: Draw a card."

Flying Whenever Swarm of Locus attacks, it gets +1/+0 until end of turn for each Locus you control.

Threshold — As long as seven or more cards are in your graveyard, Treacherous Werewolf gets +2/+2 and has "When Treacherous Werewolf dies, you lose 4 life."

{B}, Sacrifice Urborg Panther: Destroy target creature blocking Urborg Panther. Sacrifice a creature named Feral Shadow, a creature named Breathstealer, and Urborg Panther: Search your library for a card named Spirit of the Night, put that card onto the battlefield, then shuffle.

Vigilance Heroic — Whenever you cast a spell that targets Vanguard of Brimaz, create a 1/1 white Cat Soldier creature token with vigilance.

Defender (This creature can't attack.)

When Wizened Arbiter enters the battlefield, you may reveal a white card you own from outside the game. If you do, exchange that card with a card in your hand.

Vigilance, reach, trample When Zacama, Primal Calamity enters the battlefield, if you cast it, untap all lands you control. {2}{R}: Zacama deals 3 damage to target creature. {2}{G}: Destroy target artifact or enchantment. {2}{W}: You gain 3 life.

Enchant creature Enchanted creature can't be blocked except by Walls.

If a player would add mana, instead all players add that mana.

When Problematic Volcano enters the battlefield, it deals 4 damage to any target. Then, starting with you, each player assigns their creatures to the left or right of the volcano. Creatures enter the battlefield to the left or right of the volcano. Creatures can't block creatures on the other side of the volcano.

Enchant creature As long as enchanted creature is green, it gets +1/+1 and has indestructible. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.) As long as enchanted creature is white, it gets +1/+1 and has flying.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Tap target creature an opponent controls. It doesn't untap during its controller's untap step for as long as you control Time of Ice. III — Return all tapped creatures to their owners' hands.

Enchant creature As Traveler's Cloak enters the battlefield, choose a land type. When Traveler's Cloak enters the battlefield, draw a card. Enchanted creature has landwalk of the chosen type. (It can't be blocked as long as defending player controls a land of that type.)

{2}{U}{U}: Draw a card.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Target player mills three cards. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Draw two cards. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Target player sacrifices a creature and loses 1 life.

Destroy target creature or enchantment.

You lose the game.

Skred deals damage to target creature equal to the number of snow permanents you control.

Return target creature card from your graveyard to your hand. Spellmorph {B} (You may cast this card face down as a 2/2 creature for {3}. Cast it any time for its spellmorph cost.)

Kicker {B} (You may pay an additional {B} as you cast this spell.) Creatures you control get +1/+1 until end of turn. If this spell was kicked, Zombie creatures you control get an additional +2/+2 until end of turn.

You may tap or untap target permanent, then you may tap or untap another target permanent.

Target instant or sorcery spell becomes a copy of Lightning Bolt. Its controller may choose new targets for it.

{T}: Add {W}.

{T}: Add {R}.

Creatures you control have menace. −2: Amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Personal Decoy enters the battlefield with a number of loyalty counters on it equal to your life total. If it would leave the battlefield, exile it instead of putting it anywhere else. You can't be attacked. +1: You gain 1 life. −4: Draw a card.

+2: Sorin Markov deals 2 damage to any target and you gain 2 life. −3: Target opponent's life total becomes 10. −7: You control target player during that player's next turn.

Return target artifact card from your graveyard to the battlefield.

Until end of turn, cards you own that aren't on the battlefield lose all card types, costs, names, and abilities and become red sorceries named Missile that cost {R} with "Missile deals 2 damage to any target."

Create a 1/1 blue and black Horror creature token with flying. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

You win the game if you control a land of each basic land type and a creature of each color.

Search target player's library for up to seven cards and exile them. Then that player shuffles.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Draw four cards, then discard three cards at random.

Create two 2/2 green Bear creature tokens. Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard. Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each player discards a card, then loses 1 life, then sacrifices an artifact, a creature, an enchantment, a land, a planeswalker, and a tribal permanent, then exiles a card from their graveyard, then puts the top card of their library into their graveyard, then removes a counter from a permanent they control, then gets a poison counter.

Planequake deals X damage to each creature without flying and each planeswalker. If X is 10 or more, open the "Uncovered Cavern" plot booster.

Kicker {1}{B} (You may pay an additional {1}{B} as you cast this spell.) Draw three cards, then discard two cards. If this spell was kicked, target player discards two cards.

Reverse miracle {B} (If this card is on the bottom of your library as you begin searching it, you may cast it by paying its reverse miracle cost.) Exile all creatures.

Take an extra turn after this one.

Return target creature card from your graveyard to the battlefield. Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Vampiric Feast deals 4 damage to any target and you gain 4 life.

You may cast Throat Wolf during an opponent's combat phase. Firstest strike (This creature deals combat damage to creatures before creatures with first strike.) After each opponent's first combat phase of each turn, there is an additional combat phase. Only Throat Wolf can attack during that combat phase.