Whenever Caustic Bronco attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if Caustic Bronco isn't saddled. Otherwise, each opponent loses that much life. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

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.) Whenever Donna or a creature it's paired with is dealt damage, Donna deals that much damage to target opponent. Doctor's companion (You can have two commanders if the other is the Doctor.)

Pack tactics — Whenever Gnoll Hunter attacks, if you attacked with creatures with total power 6 or greater this combat, put a +1/+1 counter on Gnoll Hunter.

Reach {T}: Add one mana of any color. {2}: Poison Dart Frog gains deathtouch until end of turn.

At the beginning of your end step, choose one or more — • Put a +1/+1 counter on target creature with a counter on it. • Draw a card if you control an enchanted creature. • Create a 1/1 colorless Spirit creature token if you control an equipped creature.

At the beginning of your end step, if you control a creature with power 5 or greater, you may draw a card. {T}: Add {C}.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player draws two cards and loses 2 life.

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card." Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

At the beginning of combat on your turn, choose one — • Target creature you control gets +2/+0 until end of turn. • Target creature you control gains menace and haste until end of turn.

Target creature you control deals damage equal to its power to each of two other target creatures.

Until end of turn, target attacking creature gets +2/+2 and gains trample and "Whenever this creature deals combat damage to a player, destroy target artifact that player controls."

Blooming Marsh enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {B} or {G}.

({T}: Add {B} or {R}.) Canyon Slough enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

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

Festering Gulch enters the battlefield tapped. When Festering Gulch enters the battlefield, it deals 1 damage to target opponent. {T}: Add {B} or {G}.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.

({T}: Add {G}.)

Haunted Ridge enters the battlefield tapped unless you control two or more other lands. {T}: Add {B} or {R}.

Hissing Quagmire enters the battlefield tapped. {T}: Add {B} or {G}. {1}{B}{G}: Hissing Quagmire becomes a 2/2 black and green Elemental creature with deathtouch until end of turn. It's still a land.

{1}, {T}: Add {R}{G}.

({T}: Add {R}.)

({T}: Add {B}.)

Temple of Abandon enters the battlefield tapped. When Temple of Abandon enters the battlefield, scry 1. {T}: Add {R} or {G}.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Thriving Grove enters the battlefield tapped. As Thriving Grove enters the battlefield, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped. As Thriving Moor enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Timber Gorge enters the battlefield tapped. {T}: Add {R} or {G}.

Equipped creature gets +2/+2. As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

For Mirrodin! (When this Equipment enters the battlefield, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +2/+2. Whenever equipped creature attacks, if it's the first combat phase of the turn, untap each attacking creature. After this phase, there is an additional combat phase. Equip {3}{R}

Whenever you attack, double target creature's power until end of turn.

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

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.

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.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: You may put a land card from your hand onto the battlefield.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Solemn Simulacrum dies, you may draw a card.

{T}: Add {C}. {T}: Add {R} or {G}. Talisman of Impulse deals 1 damage to you.

{T}: Add {C}. {T}: Add {B} or {G}. Talisman of Resilience deals 1 damage to you.

Return target creature card from your graveyard to the battlefield. When you do, it fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)

Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Target creature you control gets +1/+1 until end of turn. It deals damage equal to its power to target creature you don't control.

If you control a commander, you may cast this spell without paying its mana cost. Exile target creature.

Target creature you control gets +1/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

First strike {T}: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.

Flash When Green Slime enters the battlefield, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control.

Target creature you control deals damage equal to its power to target creature you don't control. If the creature you control has trample, excess damage is dealt to that creature's controller instead.

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

Target creature you control fights target creature you don't control. Ferocious — The creature you control gets +2/+2 until end of turn before it fights if you control a creature with power 4 or greater.

Target creature you control gets +2/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Return up to one target creature card from your graveyard to the battlefield. Return up to one target permanent card from your graveyard to your hand.

Reach Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.