msem-instigator

Assault {R} (Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.)
When Borsuppa Outrider assaults, it deals 2 damage to each opponent.

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}

Search your library for two basic land cards, reveal them, put them into your hand, then shuffle. (Then exile this card. You may cast the creature later from exile.)

Search your library for up to three basic land cards, reveal those cards, shuffle, then put one of them into the battlefield tapped, one into your hand and one on top of your library.

When Banished Prophet enters, you may remove a counter from a permanent you control. If you do, put a +1/+1 counter on another target creature you control.

Each opponent loses X life and you gain X life, where X is the number of Illusions you control.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

When Political Opportunist enters, you may shuffle the cards from your hand into your library, then draw that many cards.

When Recollection Revelation enters, rouse 1. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)
{1}{W}, Sacrifice Recollection Revelation: Return another target artifact or enchantment card from your graveyard to your hand.

Trample
When Ghastly Progenitor enters, each opponent reveals their hand. Choose two nonland cards revealed this way. Their owners discard those cards.

Target creature gets +2/+0 and gains flying and first strike until end of turn.

Lands target player controls don't untap during their controller's next untap step. Tap up to one target land that player controls.

Choose one —
• Target creature gets +0/+3 until end of turn.
• Target creature gains flying and lifelink until end of turn.

Enchant creature
Enchanted creature has flying.
{2}: Tap enchanted creature.

Whenever V-4 Fixit or another artifact you control enters, target creature you control gets +1/+1 until end of turn.

When Host of Nature enters, create two 2/2 red and green Elk creature tokens.

Whenever Calamity Scholar attacks, if you control an artifact, put a +1/+1 counter on it.

Parasol Twirler has flying as long as you control an artifact.

As long as you control an Island, you may cast this spell as a copy of any creature on the battlefield. (This includes casting cost.)

Whenever one or more cards leave your graveyard for the first time each turn, create a 3/2 green Crocodile creature token with trample.

Target creature you control gets +2/+0 and gains first strike until end of turn. If you control an artifact, draw a card.

Forsaken Sunseeker gets +1/+1 and has flying as long as it's not your turn.

Battalion — Whenever Fellor Bloodseeker and at least two other creatures attack, Fellor Bloodseeker gains lifelink until end of turn.

Searing Blasphemy deals 2 damage to target creature. If that creature is an Angel, Searing Blasphemy deals 5 damage instead.

Draw a card, then forebode. (Create a tapped colorless Omen artifact token with “{T}, Discard a card, Sacrifice this artifact: Draw a card.”)

Flying
At the beginning of your upkeep, you may create a token that is a copy of target Aura you control and attach it to target permanent or player it could enchant.
{2}, Sacrifice an Aura: Artiaburz gains indestructible and hexproof until end of turn.