Guildpact

Izzet Boilerworks enters the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T}:...

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

({R/G} can be paid with either {R} or {G}.) Sacrifice Wild Cantor: Add one mana of any color.

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

{1}, {T}: Add {W}{B}.

Enchant creature Creatures you control that are enchanted get +1/+1. If a creature you control that's enchanted would die, return it to its owner's...

Exile target card from a graveyard. Draw a card.

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

Enchant creature Creatures you control that are enchanted get +1/+1 and can't be blocked except by creatures with defender.

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: Add...

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

Flying Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.

Flying Haunt (When this creature dies, exile it haunting target creature.) When Blind Hunter enters the battlefield or the creature it haunts dies,...

Target creature gets +2/+2 and gains trample until end of turn. Draw a card.

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

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

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

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

{R}: Gruul Nodorog gains menace until end of turn. (It can't be blocked except by two or more creatures.)

When Gruul Scrapper enters the battlefield, if {R} was spent to cast it, it gains haste until end of turn.

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

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

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.) Pyromati...

When Tin Street Hooligan enters the battlefield, if {G} was spent to cast it, destroy target artifact.