Légions

Trample Whenever Scion of Darkness deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlef...

When Phage the Untouchable enters the battlefield, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to ...

Flying Whenever Hollow Specter deals combat damage to a player, you may pay {X}. If you do, that player reveals X cards from their hand and you cho...

Flying When Havoc Demon dies, all creatures get -5/-5 until end of turn.

At the beginning of your upkeep, you draw X cards and you lose X life, where X is the number of Zombies 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.) At the beginning of yo...

Drinker of Sorrow can't block. Whenever Drinker of Sorrow deals combat damage, sacrifice a permanent.

Morph {X}{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 Bane of the Living ...

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...

Morph {4}{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 Weaver of Lies is turn...

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

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

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

{T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to Beacon of Destiny instead.

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

Flying {T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.

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

Flying 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 Dermoplasm...

Morph {4}{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 Chromeshell Crab is tu...

Flying Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Sunstrike Legionnaire doesn't untap during your untap step. Whenever another creature enters the battlefield, untap Sunstrike Legionnaire. {T}: T...

{3}{W}, Exile Planar Guide: Exile all creatures. At the beginning of the next end step, return those cards to the battlefield under their owners' c...

Noncreature spells cost {1} more to cast.

This spell can't be countered. Vexing Beetle gets +3/+3 as long as no opponent controls a creature.