Légions

{T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}.

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it...

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Lavaborn Muse deals 3 damage to that player.

Morph {4}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Shaleskin Plower is tu...

When Goblin Firebug leaves the battlefield, sacrifice a land.

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

Amplify 3 (As this creature enters the battlefield, put three +1/+1 counters on it for each Dragon card you reveal in your hand.) Flying {T}: Kilnm...

{7}{R}: Flamewave Invoker deals 5 damage to target player or planeswalker.

All Sliver creatures get +1/+0.

Haste Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Skirk Marauder is turn...

Morph {3}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Unstable Hulk is tu...

Morph {6}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Bloodstoke Howler is t...

Beasts can't block.

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

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

Double strike (This creature deals both first-strike and regular combat damage.) Morph {4}{R}{R} (You may cast this card face down as a 2/2 creatur...

Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

{T}: Goblin Dynamo deals 1 damage to any target. {X}{R}, {T}, Sacrifice Goblin Dynamo: It deals X damage to any target.

Flying Morph {6}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Imperial Hel...

Morph {X}{X}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Warbreak Trumpeter ...

Whenever Skirk Drill Sergeant or another Goblin dies, you may pay {2}{R}. If you do, reveal the top card of your library. If it's a Goblin permanen...

Double strike (This creature deals both first-strike and regular combat damage.)

Goblin Goon can't attack unless you control more creatures than defending player. Goblin Goon can't block unless you control more creatures than at...