msem-instigator

When Weaver of Mists enters, substantiate target card in your graveyard. (Put it onto the battlefield face down as a 2/2 creature. You may turn it face up and cast it at any time for its mana cost if it isn't a creature.)
Spells you cast from anywhere other than your hand cost {1} less to cast.

When Weedy Wanderer leaves the battlefield or phases out, put a +1/+1 counter on a creature you control.

Return target creature to its owner's hand. If you controlled that creature, draw a card.

{2}, Sacrifice Wicked Fossil: Target player loses 2 life and you gain 2 life.
{2}{B}{B}: Return Wicked Fossil from your graveyard to the battlefield transformed. Activate only during your turn.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
When Winding Snake has three or more +1/+1 counters on it, remove them all and transform it.

Flying
Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying
When Winged Guardian enters, return up to one target nonland permanent to its owner's hand.

Flying
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
As long as Wings of Trust has three or more +1/+1 counters on it, it has lifelink and vigilance.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
You gain X life.

When Wistful Fox enters, reveal the top eight cards of your library. You may put a creature card from among them into your hand. Put the rest on the bottom of your library in a random order.

When Wondering Oaf dies, return target instant or sorcery card from your graveyard to your hand.

Put a +1/+1 counter on target creature. It gains first strike until end of turn. You gain 2 life.

If you would draw one or more cards, you may have each player draw an additional card.
Spells cost {1} less to cast if a player cast a spell this turn.

Whenever equipped creature attacks, it gets +2/+2 and gains trample until end of turn.
Equip {2}

Wraith of the Fens gets +2/+2 as long as you've gained life this turn.

Landfall — Whenever a land you control enters, create a 5/5 green Wurm creature token with trample.

First strike
Whenever Zankon, Ema's Claws blocks or becomes blocked, put a +1/+1 counter on each creature you control.

{1}{R}, {T}, Sacrifice a land: Create a colorless Desert land token with “{T}: Add {C}.”
{1}{R}, {T}, Sacrifice a Desert: Destroy up to two target lands.

When Zhedina Envoys leaves the battlefield, create two 1/1 Scout creature tokens that are all colors.

Haste
When Zipping Zapper enters, target creature gains haste and first strike until end of turn.

Civilized — Adorned Naga gets +2/+0 and has menace as long as you control an artifact, a creature, and an enchantment.

Exile target creature, then return it to the battlefield under your control. Then sacrifice it.

Agonizing Syphon deals 3 damage to any target and you gain 3 life.

I, II — Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Discovery — {4}: You gain 2 life.

Vigilance
{1}{G}: Ajani's Advocate gets +2/+2 until end of turn. Activate only once each turn.