Waking Bog enters the battlefield tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Waking Bog becomes a black and green Elemental creature in addition to its other types until end of turn.
Whenever Waking Bog deals combat damage to an opponent, return target creature card from your graveyard to your hand.

Waking Boneyard enters the battlefield tapped.
{T}: Add {W} or {B}.
{3}{W}{B}: Waking Boneyard becomes a white and black Elemental creature in addition to its other types until end of turn.
When Waking Boneyard dies, if it's a creature, create two 1/1 white Spirit creature tokens with flying.

Waking Crag enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{R}{W}: Waking Crag becomes a red and white Elemental creature in addition to its other types until end of turn.
Whenever Waking Crag attacks, creatures you control get +1/+0 until end of turn.

Waking Glen enters the battlefield tapped.
{T}: Add {G} or {U}.
{4}{G}{U}: Waking Glen becomes a blue and green Elemental creature in addition to its other types until end of turn.
Whenever Waking Glen deals combat damage to a player, untap each land you control.

Waking Vista enters the battlefield tapped.
{T}: Add {U} or {R}.
{1}{U}{R}: Waking Vista becomes a blue and red Elemental creature in addition to its other types until end of turn.
Whenever Waking Vista deals combat damage to an opponent, draw a card.

Ward {3}
At the beginning of your end step, create a 1/1 green Goat Spirit creature token. For each kind of counter on Warden of Herds, you may put that many counters of that kind on that token.

{T}: Add {C}.
Whenever Wasted Watchpost deals combat damage to a player, you may sacrifice it. When you do, destroy target nonbasic land that player controls.
Spellcharge 3

Once each turn, when you cast an instant or sorcery spell, you may create a 1/0 blue Elemental creature token.
Elementals you control get +1/+1.
{2}{U}, Sacrifice an Elemental: Tap up to one target creature. Scry 1.

Ward—Pay 8 life.
You may have Wayward Coalescence assign its combat damage as though it weren't blocked.

At the beginning of your end step, you may sacrifice a creature. If you do, return a creature card with lesser or equal mana value from your graveyard to the battlefield.

At the beginning of your end step, you gain 1 life.
Whitecliff Guardian gets +0/+1 for each 1 life you have above your starting life total.

Create X 1/1 white Insect creature tokens with flying.
Flashback—{3}{W}{W}, Tap X untapped creatures you control.

Wildcourt Seeker's power and toughness are each equal to the number of land types among lands you control.
Whenever Wildcourt Seeker enters the battlefield or attacks, put up to one target land card from your graveyard onto the battlefield under your control.

Haste
When Wildfang Cavalier dies, create a 3/1 red Dinosaur creature token. It gains haste until end of turn. If it's your combat phase, there is an additional combat phase after this phase.

Flash
Multitude {4}{U}{U}
You may have Wildkin Imposter enter the battlefield as a copy of any creature on the battlefield.

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.

[+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.

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.

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.

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