Guildpact

When this creature enters, if {W} was spent to cast it, target player skips their next combat phase. This creature can't block.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) {R}, {T}: Attacking creatures get +X/+0...

Destroy all enchantments target player controls.

You may have creatures you control assign their combat damage this turn as though they weren't blocked.

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

{T}: Add {C}. {3}{W}{B}, {T}: Target player loses 1 life and you gain 1 life.

{2}{W}: Target player gains 1 life. {2}{B}: Each player loses 1 life.

Defender (This creature can't attack.) As this creature enters, choose a color. This creature has protection from the chosen color.

{T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

Destroy target creature or enchantment.

{W}, Sacrifice a creature: Target creature can't attack this turn.

({U/R} can be paid with either {U} or {R}.) {2}{U}: Copy target instant spell you control with mana value 2 or less. You may choose new targets for...

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

Whenever a creature attacks you, its controller loses 1 life.

Flying At the beginning of your upkeep, tap target creature.

({R/G} can be paid with either {R} or {G}.) {3}{R}, Sacrifice a land: This creature deals 2 damage to target player or planeswalker. {3}{G}: Target...

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 ...

Sacrifice this creature: You may change the targets of target instant or sorcery spell.

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

{T}: This creature deals 1 damage to any target. Whenever you cast an instant or sorcery spell, you may untap this creature.

This creature gets +1/+1 for each Aura attached to it. Sacrifice an Aura: Regenerate this creature.

Counter target nonblue spell.

{3}: This creature gets +X/+0 until end of turn, where X is its power.

Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, return target creatur...