Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

+1: Choose up to one target creature. Put a +1/+1 counter and a counter from among flying, first strike, lifelink, or vigilance on it. −3: Look at the top seven cards of your library. You may put a permanent card with mana value 3 or less from among them onto the battlefield with a shield counter on it. Put the rest on the bottom of your library in a random order. −7: Create five 3/3 white Angel creature tokens with flying.

When this creature enters, create a 0/1 green Plant creature token for each land you control. Landfall — Whenever a land you control enters, you may put a +1/+1 counter on each Plant creature you control.

Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Vigilance Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.

+2: Untap each enchanted permanent you control. −1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and umbra armor. −7: Mill seven cards. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards. Estrid, the Masked can be your commander.

Sacrifice Hajar: Legendary creatures you control get +1/+0 and gain indestructible until end of turn.

Creature tokens you control have haste. At the beginning of combat on your turn, create a 2/1 blue Phyrexian Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

When this creature enters, create four 1/1 colorless Myr artifact creature tokens. Whenever this creature attacks, you may tap X untapped Myr you control. If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Partner with Krav, the Unredeemed (When this creature enters, target player may put Krav into their hand from their library, then shuffle.) Flying At the beginning of each end step, if your team gained life this turn, create two 1/1 white Warrior creature tokens.

{2}{G/W}, {T}: Create a 1/1 green and white Elf Warrior creature token. {4}{G/W}{G/W}, {T}: For each creature token you control, create a token that's a copy of that creature.

Shanna can't be the target of abilities your opponents control. Shanna gets +1/+1 for each creature you control.

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Creature tokens you control have vigilance and lifelink.

Whenever one or more tokens you control enter, put that many +1/+1 counters on this creature.

Partner with Regna, the Redeemer (When this creature enters, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav.

The first spell you cast each turn has cascade. (When you cast your first spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

{T}: Add one mana of any color in your commander's color identity.

Enchant creature Enchanted creature gets +2/+2 and has "Whenever this creature attacks, untap all lands you control." Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

+2: Scry 2. 0: Look at the top card of your library. If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa, you may put that card onto the battlefield. −6: Untap up to two target lands you control. They become 5/5 Elemental creatures with flying and haste until end of turn. They're still lands.

+1: Create a 1/1 colorless Servo artifact creature token. +1: The next spell you cast this turn has affinity for artifacts. (It costs {1} less to cast for each artifact you control as you cast it.) −7: For each artifact you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the beginning of the next end step. Saheeli, the Gifted can be your commander.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

{T}: Add {C}{C}.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice this enchantment, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Search your library for a card, put that card into your hand, then shuffle.

+1: Create a 2/2 black Zombie creature token. Mill two cards. −3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types. −7: Destroy all non-Zombie creatures.

When Rakdos Joins Up enters, return target creature card from your graveyard to the battlefield with two additional +1/+1 counters on it. Whenever a legendary creature you control dies, Rakdos Joins Up deals damage equal to that creature's power to target opponent.

Vigilance, ward {2} Other Zombies you control have vigilance. Whenever another legendary creature you control dies, create a token that's a copy of that creature, except it's not legendary and it's a 2/2 black Zombie in addition to its other colors and types.

Return target card from your graveyard to your hand.

Whenever Delina attacks, choose target creature you control, then roll a d20. 1—14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "At end of combat, exile this token." 15—20 | Create one of those tokens. You may roll again.

The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

({T}: Add {B} or {R}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

{T}: Add one mana of any color that a land an opponent controls could produce.

This land enters tapped. {T}: Add {C}. Whenever this land or another land you control enters, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

({T}: Add {G}.)

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

({T}: Add {R}.)

{T}: Add {C}. {W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.

This land enters tapped. {T}: Add {W} or {B}.

({T}: Add {W}.)

({T}: Add {W}, {U}, or {B}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {G} or {W}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {G}, {W}, or {U}.

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {R}.)

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

({T}: Add {B}.)

{T}: Add {C}. {2}, {T}: This land becomes a copy of target land, except it has this ability.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Trample When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Counter target spell.

Destroy all creatures. They can't be regenerated.

This spell can't be countered. Counter target noncreature spell.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Destroy target artifact or enchantment.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Exile target creature. Its controller gains life equal to its power.

When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Ulamog is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.