Legions

First strike, haste Cycling {3} ({3}, Discard this card: Draw a card.)

As long as you control a Beast, Skirk Outrider gets +2/+2 and has trample.

Beasts can't block.

All Sliver creatures get +1/+0.

{T}, Sacrifice a Goblin: Goblin creatures get +2/+0 until end of turn.

When Goblin Firebug leaves the battlefield, sacrifice a land.

Haste {T}: Turn target face-down creature you control face up. At the beginning of the next end step, sacrifice it.

Haste Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

Haste Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.