msem-instigator

At the beginning of each upkeep, untap up to two target lands.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever a +1/+1 counter is put on a creature you control, target creature gains trample until end of turn.

Gain control of target nonland permanent. The player that controlled it creates a 3/3 blue Squid creature token.

{1}, {T}: Untap target creature.

Enchant creature or enchantment
Enchanted permanent doesn't untap during its controller's untap step.
Enchanted permanent can't have counters put on it.

You draw X cards and you lose X life, where X is the number of cards in your hand.

Whenever a creature enters under your team's control, reveal the top card of your library. If it's a creature card, you gain 2 life.

Target creature you control gains indestructible until end of turn. If that creature is a Scout, you gain 1 life for each land you control.

Other creatures you control named Starfall Dancer get +2/+2.

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)
Each other creature you control gets +1/+1 for each creature you control with the same name as it. (A token's name is its creature types unless specified.)

Equipped creature gets +5/+5.
Whenever equipped creature becomes blocked, destroy all other creatures.
Equip {5}

Whenever Stargaze Spirit or another creature dies, you may gain 1 life.
Revive {3}{W} ({3}{W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

You gain 4 life. Then if {R} was spent to cast Starglare, it deals 4 damage to up to one target creature.

Whenever Starlight Emissary harnesses a spell, draw a card.

Exile target nonland permanent. As long as it remains exiled, its owner may return it to the battlefield any time they could cast an instant. If you control that permanent, you may activate its loyalty abilities any time you could cast an instant during that turn.

You may exile cards you own as you reveal them. (You see the card before you exile it.)
During each of your turns, you may cast a card exiled with Starwing Nebula.

Choose one —
• Destroy target artifact or land.
• State Collapse deals damage equal to the number of artifacts you control to any target.

Whenever Stealer of Secrets deals combat damage to a player, draw a card.

Prowess
Whenever Steamwalker attacks, you may discard a card. If you do, draw a card, then catalyze. (The next spell you cast this turn costs {1} less to cast.)

Flying
Vanguard — Whenever a creature you control attacks alone, you may put a +1/+1 counter on it.

Flash
Advance {3}{W} (Cast this for {3}{W} to advance it as it enters. {3}{W}: Advance this as a sorcery.)
Whenever Steelwoven Soldier advances, it gets +2/+2 until end of turn.

Whenever Steward of Silence blocks, you get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

Target opponent discards a card at random. If that card's mana value is 3 or less, you may cast it without paying its mana cost.

({T}: Add {W} or {U}.)
Still Waters enters tapped unless you control two or more basic lands.

Whenever you cast a spell that doesn't share a color with Stinging Hunter, each opponent loses 1 life.