msem-instigator

Whenever you cast an Elf spell, create a 1/1 green Elf Druid creature token.
Tap four untapped Druids you control: Destroy target artifact or enchantment.

Flying
Warden of Harshapal Tower's power and toughness are each equal to the number of creatures you control.

Defender
When Warden of Silence enters the battlefield, draw a card.

Flying
Whenever Warden of the Divine Court attacks, creatures in its pack get +1/+1 until end of turn. (Two or more creatures you control with equal power are in a pack.)

Lifelink
{3}{W}: Exile Wardens of the Ulek. Return it to the battlefield under its owner's control at the beginning of the next end step.

Enchant creature
Enchanted creature has double strike and “Other creatures you control have first strike.”

As Warmonger Contraption enters the battlefield, choose a creature type.
Warmonger Contraption is the chosen type in addition to its other types.
Warmonger Contraption's power and toughness are each equal to the number of creatures of the chosen type you control.

Prevent all damage target attacking creature would deal this turn. If there is a card named Warning Shot in your graveyard, exile that creature.

You may pay {0} rather than pay the glitch cost for spells you cast.
Whenever you cast a glitched spell, Warped Glitchmage deals 1 damage to target opponent.

Warped Recluse can't be blocked by creatures with greater power.
Whenever Warped Recluse attacks and isn't blocked, exile target creature defending player controls. At the beginning of that card's owner's next upkeep, return it to the battlefield under their control.

Whenever equipped creature attacks or blocks, it gets +3/+3 and gains hexproof until end of turn.
Equip {1}

Enchant creature
When Warrior's Discipline enters the battlefield, put a +1/+1 counter on enchanted creature.
Whenever enchanted creature deals combat damage to a player, double the number of +1/+1 counters on it.

When Warrior's Perspective enters the battlefield, invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)
Whenever a creature you control with a +1/+1 counter on it becomes tapped, you may draw a card. If you do, discard a card.

Counter target activated or triggered ability.
Metamorph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Haste
When Wasteland Rabblerousers enters the battlefield, creatures your opponents control with power X or less can't block this turn, where X is the number of Deserts you control.

First strike
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Creature tokens you control have vigilance.
Whenever Watch of the Dead or another enchantment enters the battlefield under your control, create a 2/2 black Zombie creature token.

Changeling (This card is every creature type.)
Watcher of the Polyps has all names of creature cards in addition to its name as long as it's on the battlefield.
Watcher of the Polyps gets +X/+X, where X is the greatest number of creatures you control with the same name.

Vigilance
Bulwark — {1}{W}, {T}: Create a 1/1 white Soldier creature token. Activate only if you control a creature with toughness 4 or greater.

Menace
Whenever one or more cards leave your graveyard or Watchers of the Veil leaves your graveyard, you may draw a card. If you do, discard a card.

Vigilance
Whenever Watchful Navigator crews a Vehicle, that Vehicle gets +1/+1 and gains vigilance until end of turn.

Remove all -1/-1 counters from target creature. That creature gets +3/+3 and gains trample until end of turn.

If you would gain life this turn, you gain twice that much life instead.
Draw a card.

Waterfront Market enters the battlefield tapped unless you control a basic land.
{T}: Add {W} or {U}.

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
{3}{U}: Target creature gains slipstream until end of turn.