msem-instigator

Flying
Crumble {2}{U} (This enters with three time counters if you cast it for its crumble cost. At your upkeep, remove one. When you remove the last, sacrifice it and draw a card.)
Whenever you remove a time counter from Potato Chip Swan, create a token that's a copy of it.

Creatures with power equal to the number of cards in your hand can't attack.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

({T}: Add {R} or {G}.)
Practice Range enters tapped unless you control two or more basic lands.

First strike
Whenever a nontoken creature you control leaves the battlefield, you may pay {W}. If you do, create a 1/1 colorless Spirit creature token.

Precursor Sanctum enters tapped. When it does, look at the top three cards of your library, exile one face down, then put the rest on the bottom of your library in any order.
{T}: Add {C}.
{4}, {T}: You may play the exiled card without paying its mana cost. Activate only as a sorcery.

({T}: Add {B}, {R}, or {G}.)
Primal Dominion enters tapped.

Enchant land
Enchanted land has “{T}: Add {G}{G}.”

Creatures you control get +1/+1 for each color among permanents you control.

{T}: Add {C}. You gain 1 life.
Pristine Frame gets +2/+2 and has flying as long as you have 25 or more life.

Flash
Flying
Prodigious Panya has base power and toughness 4/4 during extra turns.

You may play Promethean Grotto from your graveyard.
{T}: Add {C}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Flying
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Other creatures you control get +1/+1 for each +1/+1 counter on Protector of the League.

Choose one —
• Purging Light deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.
• Exile target enchantment.

Choose one —
• You may sacrifice a creature. When you do, it deals damage equal to its power to any target.
• Target creature gets +4/+4 and gains trample until end of turn.
• Destroy target artifact.

You may pay {1}{R}{R} and exile a red card from your hand rather than pay this spell's mana cost.
Pyretic Cyclone deals 3 damage to each creature.

Flying, haste
Whenever Pyrus, the Undying Flame attacks, add {R}{R}{R}{R}. You don't lose this mana as steps, phases, and turns end.
{1}{R}: Pyrus gets +1/+0 until end of turn.

First strike
Other creatures you control have protection from mana value 3 or greater.

When Ragantiar enters, mill five cards.
{3}{B}, Sacrifice a creature: Return target creature card with power X or less from your graveyard to the battlefield, where X is 1 plus the sacrificed creature's power.

Players can't gain life.
Whenever a player casts a spell, Rage of the Ravaged deals 1 damage to that player.

[+1]: Each player may draw a card. For each opponent who does, put a loyalty counter on Rahit.
[–1]: Each player draws three cards, then puts two cards from their hand on top of their library in any order.
[–6]: You get an emblem with “Discard a card with mana value X: Counter target spell with mana value X or less.”

[+1]: Mill two cards. Create a 1/1 green Spirit Snake creature token.
[0]: You may sacrifice a Spirit. When you do, return target permanent card from your graveyard to your hand.
[–2]: Exile another target nonland permanent until Rain Zai leaves the battlefield. You gain 2 life.

({T}: Add {W} or {U}.)
Rainsculpted Gorge enters tapped.
{1}, {T}: Add {W}{W} or {U}{U}.

Haste
Whenever a player casts a spell, Rakkiri Dissident deals 1 damage to that player.

Indestructible
Battalion — Whenever Rallios, Heir to the Evil One and at least two other creatures attack, creatures you control get +1/+0 and gain double strike until end of turn.