Guildpact

Flip a coin. If you win the flip, take an extra turn after this one.

When this creature enters, if {R} was spent to cast it, it deals 2 damage to any target.

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{G}, Sacrifice a creature: You gain 1 life.

Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay {1}.

Defender (This creature can't attack.) Whenever this creature is dealt combat damage, you gain that much life and attacking player loses that much ...

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

This creature has flying as long as it's enchanted.

Flying When this creature enters, target opponent gains control of all other permanents you control.

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...

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

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...

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...

{T}: Add {C}. {R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

Enchant creature Enchanted creature has "{T}: This creature deals damage equal to its power to target attacking or blocking creature."

Reach (This creature can block creatures with flying.) As this creature enters, choose a color. {T}: Add one mana of the chosen color.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) This creature can't be blocked except by creatures with...

Replicate {1}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Target M...

Flying When this creature enters, if {B} was spent to cast it, target player discards a card.

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Destroy tar...

Enchant creature Enchanted creature has first strike. {1}{B}: Enchanted creature gets +2/+2 until end of turn.

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...

{R}, Sacrifice a creature: This creature deals 1 damage to target player or planeswalker.

Target creature gets +4/+0 until end of turn. Another target creature gets -4/-0 until end of turn.