Guildpact

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) Sacrifice this creature: You gain life ...

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

Each land gets +2/+2 as long as it's a creature.

Nonbasic landwalk (This creature can't be blocked as long as defending player controls a nonbasic land.)

Target creature with flying loses flying until end of turn. Crash Landing deals damage to that creature equal to the number of Forests you control.

Enchant creature Creatures you control that are enchanted get +1/+1. Whenever a creature you control that's enchanted becomes blocked, it gets +1/+...

Flash Enchant creature Creatures you control that are enchanted get +1/+1.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) Creatures with power less than this cre...

When this creature enters, if {G} was spent to cast it, destroy target artifact.

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.) Flying {R}{R}{R}: Return this card...

Parallectric Feedback deals damage to target spell's controller equal to that spell's mana value.

When this creature enters, if {U} was spent to cast it, return target creature to its owner's hand.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, each other cre...

{T}: This creature deals damage equal to its power divided as you choose among any number of target creatures. Each of those creatures deals damage...

If this card is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If you do, thi...

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to any target." {1}{U}: Return this Aura to its owner's hand.

First strike {3}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.

Enchant creature Creatures you control that are enchanted get +1/+1 and have first strike.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Whenever this creature attacks, each other attacking creature gains fear until end of turn. (They can't be blocked except by artifact creatures and...

Flying When this creature enters, create two 1/1 black Bat creature tokens with flying. {3}{B}{B}, Sacrifice a Bat: Create two 1/1 black Bat creatu...

Destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying. Haunt (When this spell card is put into a graveya...

{B}, Sacrifice a creature: Destroy each creature with the same mana value as the sacrificed creature.

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.