Legions

{B}, Pay 1 life: Add one mana of any color.

Morph {2}{U}{U} (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 Voidmage Apprentice...

Flash Any player may cast Sliver spells as though they had flash.

{T}, Sacrifice three Clerics: Search your graveyard, hand, and/or library for a card named Scion of Darkness and put it onto the battlefield. If yo...

{T}: Add X mana of any one color, where X is the number of Elves on the battlefield.

All Slivers have "{T}: Regenerate target Sliver."

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

When Merchant of Secrets enters the battlefield, draw a card.

Whenever a Sliver deals damage, its controller gains that much life.

Morph {W} (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 Daru Mender is turned fac...

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

{2}{B}, {T}, Sacrifice a Zombie: Destroy target non-Zombie creature. It can't be regenerated. Activate this ability only any time you could cast a ...

Amplify 1 (As this creature enters the battlefield, put a +1/+1 counter on it for each Zombie card you reveal in your hand.) Trample

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...

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.) When you cycle Gempalm Polluter, you may have target player lose life equal to the number ...

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...

Whenever Vile Deacon attacks, it gets +X/+X until end of turn, where X is the number of Clerics on the battlefield.

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

Amplify 1 (As this creature enters the battlefield, put a +1/+1 counter on it for each Beast card you reveal in your hand.) {T}: Target creature ge...

All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."

Morph {3}{B}{B} (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 Skinthinner is turn...

Whenever another nontoken Elf enters the battlefield, you may create a 1/1 green Insect creature token.

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