Gatecrash

{1}, Sacrifice a creature: Target player reveals cards from the top of their library until they reveal a land card, then puts those cards into thei...

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

Flying Creatures with flying your opponents control get -1/-1.

Destroy target creature with power X or less.

Target player discards a card. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat da...

{B}: Gateway Shade gets +1/+1 until end of turn. Tap an untapped Gate you control: Gateway Shade gets +2/+2 until end of turn.

Whenever you cast your second spell each turn, Incursion Specialist gets +2/+0 until end of turn and can't be blocked this turn.

Tap X target nonland permanents.

Enchant creature Enchanted creature gets -5/-0. {2}{U}: Return Agoraphobia to its owner's hand.

First strike Bloodrush — {2}{R}, Discard Viashino Shanktail: Target attacking creature gets +3/+1 and gains first strike until end of turn.

Menace (This creature can't be blocked except by two or more creatures.)

Arrows of Justice deals 4 damage to target attacking or blocking creature.

Sacrifice another creature: Cartel Aristocrat gains protection from the color of your choice until end of turn.

{T}: Add {R} or {G}. {R}{G}: Gruul Keyrune becomes a 3/2 red and green Beast artifact creature with trample until end of turn.

{T}: Add {W} or {B}. {W}{B}: Orzhov Keyrune becomes a 1/4 white and black Thrull artifact creature with lifelink until end of turn.

{T}: Add {G} or {U}. {G}{U}: Simic Keyrune becomes a 2/3 green and blue Crab artifact creature with hexproof until end of turn. (It can't be the ta...

Target player puts the top four cards of their library into their graveyard. You draw a card for each creature card put into that graveyard this way.

Enchant creature Enchanted creature gets +1/+1 and has flying and lifelink.

Flash (You may cast this spell any time you could cast an instant.)

{T}: Add {R} or {W}. {R}{W}: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals bo...

{T}: Add {U} or {B}. {U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) When Vizkopa Confessor en...

{R}{G}: Creatures you control gain trample until end of turn. {1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn...

{1}{R}{W}: Creatures you control get +1/+0 until end of turn. {2}{R}{W}: Create a 1/1 red and white Soldier creature token with haste.