msem-instigator

Equipped creature has indestructible as long as it's tapped.
Equip {3}

Trample
{5}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Woopip Bruiser enters, germinate. When you do, you may have target non-Fungus creature get -X/-X until end of turn, where X is the greatest power among creatures you control. (To germinate, put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Harmony — Germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)
When Woopip Chef enters, harmonize. (Trigger up to one harmony of one permanent you control.)

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards. You gain 2 life.

When Woopip Elder enters, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

When Woopip Sproutling enters, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

When Woopip Wanderer enters, create two colorless artifact tokens named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”
{2}{G}: Germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

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

Whenever an artifact you control enters or is put into a graveyard from the battlefield, Workshop Engineer gets +1/+1 until end of turn.

{4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

Trample
World Tender's power and toughness are each equal to twice the number of differently named lands you control.

Destroy target creature or planeswalker, then exile its controller's graveyard.

At the beginning of your upkeep, if there are three or more colors among creatures you control, you gain 2 life and draw a card.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Counter target permanent spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
3 | You gain life equal to its mana value.

Whenever a nontoken creature you control enters, you may scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Wanderlust — This spell has flash as long as you control four or more differently named lands.
Draw four cards.

{T}, Sacrifice Worldshaper Adept: Choose two basic land types. Create a tapped colorless land token of the chosen types.

Whenever one or more creatures you control attack, you may put a progress counter on Worldwide Reach.
[progress 2+] Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn.
[progress 4+] Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn.
Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn.

{2}{W}, Exile Worldwise Ascetic from your graveyard: Create a green Aura enchantment token named Years of Experience attached to target creature. The token has enchant creature and “Enchanted creature gets +2/+2.” Activate only as a sorcery.

Flash
When Wormwood's Agent dies, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

Vigilance
When Worn Peacekeeper dies, create a 1/1 white Soldier creature token with vigilance.

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

Each opponent sacrifices an artifact.
Scry 1.
Coalesce {6}{R} (You may cast this from your graveyard for {6}{R}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)