Legions

At the beginning of each player's upkeep, that player puts the top X cards of their library into their graveyard, where X is the number of cards in...

Primal Whisperer gets +2/+2 for each face-down creature on the battlefield. Morph {3}{G} (You may cast this card face down as a 2/2 creature for {3...

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

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

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...

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...

At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay {G}{G}. Morph {7}{G}{G} (You may cast this card face down as a 2/2 cr...

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

Untap all permanents you control during each other player's untap step.

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

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

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

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

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

Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.

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...

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

Noncreature spells cost {1} more to cast.

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

Untap all permanents you control during each other player's untap step.

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.