Avatar of Discord

( can be paid with either or .)
Flying
When Avatar of Discord enters the battlefield, sacrifice it unless you discard two cards.

Sanguine Praetor

, Sacrifice a creature: Destroy each creature with the same converted mana cost as the sacrificed creature.

Sky Swallower

Flying
When Sky Swallower enters the battlefield, target opponent gains control of all other permanents you control.

Necroplasm

At the beginning of your upkeep, put a +1/+1 counter on Necroplasm.
At the beginning of your end step, destroy each creature with converted mana cost equal to the number of +1/+1 counters on Necroplasm.
Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Trophy Hunter

: Trophy Hunter deals 1 damage to target creature with flying.
Whenever a creature with flying dealt damage by Trophy Hunter this turn dies, put a +1/+1 counter on Trophy Hunter.

Sanguine Praetor

, Sacrifice a creature: Destroy each creature with the same converted mana cost as the sacrificed creature.

Zur’s Weirding

Players play with their hands revealed.
If a player would draw a card, they reveal it instead. Then any other player may pay 2 life. If a player does, put that card into its owner’s graveyard. Otherwise, that player draws a card.

Sakashima the Impostor

You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it’s legendary in addition to its other types, and it has “: Return this creature to its owner’s hand at the beginning of the next end step.”

Ayumi, the Last Visitor

Legendary landwalk (This creature can’t be blocked as long as defending player controls a legendary land.)

Ore Gorger

Whenever you cast a Spirit or Arcane spell, you may destroy target nonbasic land.

Emissary of Despair

Flying
Whenever Emissary of Despair deals combat damage to a player, that player loses 1 life for each artifact they control.

Emissary of Hope

Flying
Whenever Emissary of Hope deals combat damage to a player, you gain 1 life for each artifact that player controls.

Lumengrid Augur

, : Target player draws a card, then discards a card. If that player discards an artifact card this way, untap Lumengrid Augur.

Fatespinner

At the beginning of each opponent’s upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

Thorn Elemental

You may have Thorn Elemental assign its combat damage as though it weren’t blocked.

Urza’s Armor

If a source would deal damage to you, prevent 1 of that damage.

Nefashu

Whenever Nefashu attacks, up to five target creatures each get -1/-1 until end of turn.

Hollow Specter

Flying
Whenever Hollow Specter deals combat damage to a player, you may pay . If you do, that player reveals X cards from their hand and you choose one of them. That player discards that card.

Warped Researcher

Whenever a player cycles a card, Warped Researcher gains flying and shroud until end of turn. (It can’t be the target of spells or abilities.)