Legions

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

{1}{W}: Until end of turn, target creature gains "This creature can't attack or block unless its controller pays {1} for each Cleric on the battlef...

{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...

Flying Cycling {2} ({2}, Discard this card: Draw a card.)

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

{7}{B}: Target creature gets -3/-3 until end of turn.

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

At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.

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.) When Infernal Caretaker is...

Flying When Celestial Gatekeeper dies, exile it, then return up to two target Bird and/or Cleric permanent cards from your graveyard to the battlef...

Flying {1}: Mistform Seaswift becomes the creature type of your choice until end of turn. Morph {1}{U} (You may cast this card face down as a 2/2 c...

{2}{U}{U}, {T}: Draw a card for each Wizard you control.

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

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

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

Whenever Noxious Ghoul or another Zombie enters the battlefield, all non-Zombie creatures get -1/-1 until end of turn.

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

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

All Slivers have "{T}: Target Sliver creature gets +X/+0 until end of turn, where X is the number of Slivers on the battlefield."

{1}{B}, {T}, Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.

{1}{U}: Change Riptide Mangler's base power to target creature's power. (This effect lasts indefinitely.)

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

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