Guildpact

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

Sacrifice Goblin Flectomancer: You may change the targets of target instant or sorcery spell.

When Steamcore Weird enters the battlefield, if {R} was spent to cast it, it deals 2 damage to any target.

Flying Stratozeppelid can block only creatures with flying.

Flying {1}{R}: Torch Drake gets +1/+0 until end of turn.

Target player draws two cards, then Cerebral Vortex deals damage to that player equal to the number of cards they've drawn this turn.

When Izzet Chronarch enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Replicate {3}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Choose ...

{U}, Sacrifice a creature: Discard a card, then draw a card.

Replicate {U}{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 c...

If Leyline of Singularity is in your opening hand, you may begin the game with it on the battlefield. All nonland permanents are legendary.

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

({U/R} can be paid with either {U} or {R}.) Flying Each instant and sorcery spell you cast has replicate. The replicate cost is equal to its mana c...

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 ...

({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...

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

When Hatching Plans is put into a graveyard from the battlefield, draw three cards.

Flying When Sky Swallower enters the battlefield, target opponent gains control of all other permanents you control.

Flying Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target. {T}: Draw a card.

The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.) Draw a card.

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

Whenever Yore-Tiller Nephilim attacks, return target creature card from your graveyard to the battlefield tapped and attacking.

Choose one — • Draw X cards. • Invoke the Firemind deals X damage to any target.

Electrolyze deals 2 damage divided as you choose among one or two targets. Draw a card.