Gatecrash

Bloodrush — {R}, Discard this card: Target attacking creature gets +2/+1 until end of turn.

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.

Flying, haste

Trample, lifelink, haste At the beginning of the end step, sacrifice this creature.

Target player sacrifices an artifact and a land of their choice. Structural Collapse deals 2 damage to that player.

{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.

Enchant land Enchanted land has "{T}, Discard a card: Draw a card."

{W}: This creature gains vigilance until end of turn.

Vigilance {R}{W}: This creature gets +2/+0 until end of turn. {R}{W}: This creature gains first strike until end of turn.

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

Battalion — Whenever this creature and at least two other creatures attack, this creature gets +2/+0 until end of turn.

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

Double strike Bloodrush — {3}{R}{R}, Discard this card: Target attacking creature gets +3/+3 and gains double strike until end of turn.

Bloodrush — {1}{R}{G}, Discard this card: Target attacking creature gets +5/+4 until end of turn.