Gatecrash

Boros Guildgate enters the battlefield tapped. {T}: Add {R} or {W}.

Prevent all combat damage that would be dealt to Armored Transport by creatures blocking it.

Exile target artifact.

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

Deathcult Rogue can't be blocked except by Rogues.

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

Bloodrush — {1}{R}{G}, Discard Zhur-Taa Swine: Target attacking creature gets +5/+4 until end of turn.

Battalion — Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn.

Exile target creature or enchantment.

Flying, haste

Flash (You may cast this spell any time you could cast an instant.) Evolve (Whenever a creature enters the battlefield under your control, if that ...

Target opponent discards two cards and you gain 2 life.

Create two 2/2 white Knight creature tokens with vigilance.

Counter target spell. Its controller mills two cards.

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

When Mortus Strider dies, return it to its owner's hand.

Flying 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.)

Target land becomes a 3/3 Elemental creature with flying until end of turn. It's still a land.

Target creature that dealt damage this turn gets -5/-5 until end of turn.

Flying, trample

Enchant creature Enchanted creature has protection from multicolored.

Choose target creature you control. You gain life equal to that creature's power plus its toughness.

Destroy target artifact or enchantment.

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on target creature.