Tap up to one target creature. Creatures you don't control don't untap during their controllers' next untap step.
Flashback {4}{U}

Destroy all creatures and all planeswalkers. Each opponent who controlled two or more permanents destroyed this way draws a card.

Whenever Witchfinder Artur enters the battlefield or attacks, each opponent mills two cards and loses 2 life.
Whenever you cast an instant or sorcery spell, you may exile target instant or sorcery card with mana value less than that spell's mana value from an opponent's graveyard. If you do, cast a copy of the exiled card without paying its mana cost.

Menace
Cybersoul {3}{B}

Trample
Whenever Wolf-Whistle Satyr deals combat damage to a player or planeswalker, you may sacrifice it. If you do, bless target creature you control.

As long as you control four or more lands with different names, Worldtreader Beast can't be blocked by creatures with power 2 or less.

When Worshipped Diva enters the battlefield, if a creature died this turn, create a 2/1 red Zombie creature token with menace.

Choose one —
• Wyrmshot deals 3 damage divided as you choose among one, two, or three targets.
• Wyrmshot deals 6 damage to target creature, planeswalker, or battle.

[+2]: Mill three cards. You gain 3 life.
[+1]: Return target land card from your graveyard to the battlefield. It becomes a 2/2 black Zombie creature in addition to its other types.
[–X]: Target opponent sacrifices a nonland permanent with mana value X or greater.
[–12]: You get an emblem with “Whenever a player sacrifices a permanent, you may draw a card.” Then each opponent sacrifices five permanents.

Whenever your Champion attacks, Xarr's Mockery gains indestructible until end of turn.

Integrate up to two target creatures with total toughness 6 or less.

At the beginning of combat on your turn, you may integrate another creature you control. If you don't, tap Xavvac, Corrupter Core.
Permanents you control with cards integrated onto them have lifelink and deathtouch.

Trample
Whenever you amp it up, double Xeon, BPM Savant's power until end of turn.

At the beginning of each opponent's upkeep, untap up to one permanent you control. You may cast spells as though they had flash until end of turn.
[+2]: Surveil 1, then draw a card.
[–3]: Choose a nonland, non-Xirix card name. Exile all permanents with that name.
[–9]: Shuffle any number of cards from your graveyard into your library. Xirix deals that much damage to any non-Xirix target, and you gain that much life.

Xiv, Replisparked has all abilities of creature and planeswalker cards integrated onto them.
[+2]: Target player discards a card. Integrate up to two cards from graveyards.
[+1]: Xiv becomes a 5/5 artifact creature with vigilance and indestructible until end of turn.
[–4]: Integrate target permanent.

As long as it's your turn, Yaeji has first strike.
Whenever you amp it up, exile up to one target permanent card with mana value 3 or less from your graveyard, then create a token that's a copy of it.

When Zakros General enters the battlefield, choose one —
• You may return an enchantment you control to its owner's hand.
• Return target enchantment card from your graveyard to your hand.

Menace
Whenever you sacrifice a permanent, exile the top card of your library. Until the end of your turn, you may play that card.

{T}: Add {C}{C}.
Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell, draw a card.

Whenever you cast a spell that targets Zenith Marshal, create a 1/1 white Human creature token. If Zenith Marshal is attacking, that token enters the battlefield tapped and attacking.
As long as Zenith Marshal is attacking, other creatures you control get +1/+0.

Flying, ward {1}
Zhovala, Silver Monarch gets +1/+1 for each other Advisor you control and each Advisor card you own in exile.
Whenever another Advisor you control dies, exile it unless an opponent pays {2}. You may cast that card as long as it remains exiled.

Flying
Whenever you draw your second card each turn, tap target nonland permanent.

Whenever a creature you control becomes a Rebel, Zolo's Right Horn deals 2 damage to each opponent.
{3}{R}: Zolo's Right Horn dares 5.

Trample
Rebels you control have trample.
{X}{G}: Another target creature you control dares twice X. Activate only as a sorcery.

When Zombie Plague enters the battlefield, return up to one target creature card from your graveyard to your hand.
{1}, Discard two cards: Each opponent loses 2 life. Create a 2/2 black Zombie creature token. It can't block this turn.