msem-instigator

Flying, deathtouch
{2}{B}{B}, Exile Weku, Malignity Spirit from your graveyard with four pact counters on him: You draw four cards and you gain 4 life.
At the beginning of your upkeep, if Weku is exiled with a pact counter on him, remove a pact counter from him. Then if Weku has no pact counters on him, you lose the game.

Wharf Lumper can't be blocked by creatures with greater power.
Whenever Wharf Lumper attacks, mill a card. If that card was an instant or sorcery, Wharf Lumper gets +3/+0 until end of turn.

You may cast What Remains of Samuel Quinn from your graveyard and from the battlefield. It costs {G}{G} more to cast this way.
What Remains of Samuel Quinn enters with your choice of X counters from among +1/+1, vigilance, reach, and trample.

When Whisper Collector dies, draw a card.

Flying, trample
When Whisper in the Rift enters, target player mills half their library, rounded down.
When Whisper in the Rift dies, you may cast up to two instant, sorcery, and/or creature cards from among opponent's graveyards without paying their mana cost.

When Whisperwoods Reclaimer enters, if there are three or more land cards in your graveyard, return target land card from your graveyard to the battlefield tapped.

Whenever Whitepeak Channeler deals combat damage to a creature, tap that creature. That creature doesn't untap during its controller's next untap step.

Improve {1} ({1}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Other creatures you control have improve {1}.

You may exert Wiedfree Behemoth as it attacks. When you do, it gets +3/+3 and gains trample until end of turn. (An exerted creature won't untap during your next untap step.)

Voracious 1 (As this enters, you may sacrifice an artifact or creature. If you do, it enters with a +1/+1 counter on it.)
Vigilance, reach

Whenever you cast a creature spell, if it has a creature type no creature you control has, upgrade Wild Outlander. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Vigilance
• Trample

Whenever you cast a noncreature spell, Wild Pyromancer gets +1/+1 until end of turn.
Whenever Wild Pyromancer attacks, you may pay {2}{R}. If you do, transform Wild Pyromancer.

As long as you control another creature with flying, Wild Skycub has flying.

Haste
Ride {R} ({R}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Colossal 4—{5}{G} (You may cast this for its colossal cost to have it enter with four +1/+1 counters; or pay {5}{G} as a sorcery: Put four +1/+1 counters on it if it has none.)
Trample

Improve {G} ({G}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
If a +1/+1 counter would be put on a creature you control, you may put a deathtouch, reach, trample, or vigilance counter on it instead.

At the beginning of combat on your turn, if you control a creature with power 4 or greater, put a +1/+1 counter on Wilderkin Zealot.
{R}{G}: Target creature gains trample until end of turn.

When Wilderness Forager enters, you may reappropriate. If you do, gain 6 life. Otherwise, gain 3 life. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)

Creatures with power less than or equal to the number of creatures in Wildershrine Elder's pack can't block it. (Two or more creatures you control with equal power are in a pack.)

{2}{R/G}: Wildershrine Warden gets +2/+2 until end of turn. You may have it assign its combat damage this turn as though it weren't blocked. Activate only once each turn.

Wildfire Elemental has frenzy 4 as long as you control no other creatures. (Whenever this creature attacks and isn't blocked, it gets +4/+0 until end of turn.)
Wildfire Elemental has frenzy 4 as long as you have no cards in hand.

{3}: Wildwood Keeper gets +3/+2 until end of turn. Activate only once each turn.

Flying
{U}, Sacrifice Willow Spirit: Counter target spell or ability that targets you or a creature you control.

Flying
{0}: Willowing Wisp becomes the color of your choice until end of turn.