msem-instigator

{T}: Add {C}.
{5}, {T}, Sacrifice Wildkin Grove: Create three 1/1 colorless Shapeshifter creature tokens with changeling. (They're every creature type.)

Whenever one or more creatures attack you or a planeswalker you control, put a charge counter on Windmill Project.
{T}: Add {C}.
{T}, Remove X charge counters from Windmill Project: Add X mana in any combination of colors.

Whenever equipped creature deals combat damage to a player, create a 1/1 colorless Thopter artifact creature token with flying.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Wings of Liberty enters with a +1/+1 counter on it.
{1}: Move a +1/+1 counter from Wings of Liberty to equipped creature.
Equipped creature has flying.
Equip {1}

Equipped creature gets +1/+1 and has flying and haste.
Equip {3}

Menace
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Witch's Invitation enters, you may put a -1/-1 counter on target creature.
{2}, {T}: Tap target creature with a -1/-1 counter on it.

{T}: Add {C}.
{3}, {T}: Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

When Woodcutter's Hatchet enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Equipped creature gets +2/+2.
Equip {2}

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

{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.

Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip {5}

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

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast Aura or Aurashaper spells.

Whenever you cast an instant or sorcery spell, you may have Xenocrata's Fleet become a 4/4 Ship artifact creature with haste until end of turn.
Whenever Xenocrata's Fleet deals combat damage to an opponent, create that many 1/1 red Warrior creature tokens.

Equipped creature gets +1/-1 and has “When this creature dies, put a fate counter on Xueyang San.”
{1}, Remove a fate counter from Xueyang San: Choose one —
• Draw a card.
• Xueyang San deals 2 damage to any target and you gain 2 life.
Equip {1}

{4}, {T}, Sacrifice Yenzu Ritual Vessel: Yenzu Ritual Vessel deals 4 damage to target creature or planeswalker.

Flying, trample
Once during each of your turns, you may cast a spell from your graveyard without paying its mana cost.
When Yhzag, Alpha and Omega is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Yi Cang, Thief of Blessings enters with a +1/+1 counter on them.
{1}: Yi Cang becomes a copy of target creature in their pack, except their name is Yi Cang, Thief of Blessings, they're legendary in addition to their other types, and they have this ability. (Two or more creatures you control with equal power are in a pack.)

Flash
Defender, flying

Equipped creature gets +1/+1 and has flying.
Equip {2}

{T}, Sacrifice an artifact or enchantment: Draw a card.

When Zhedina Exchange enters, choose a basic land type.
Basic lands you control of the chosen type have “{T}: Add one mana of any color.”
{T}: Add {C}.

{3}, Reveal Zhedina Outskirts from your hand: Put Zhedina Outskirts from your hand onto the battlefield tapped.
{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Defender
Wanderlust — As long as you control four or more differently named lands, Zhedina Servitor can attack as though it didn't have defender.