msem-instigator

Whenever an opponent casts a spell from a graveyard or without paying its mana cost, Piriman Stones deals 5 damage to them.

Trample
When Vartrossen Primalist enters, target creature you control fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)
{4}{G}: Transform Vartrossen Primalist. Activate only if it's attacking.

At the beginning of each opponent's draw step, that player draws an additional card, then discards a card.
Whenever an opponent discards a card, you draw a card and you gain 1 life.

Choose two —
• Create a 6/6 blue Kraken creature token.
• Take an extra turn after this one.
• End the turn.
Exile Crack in Time.

When Into the Unknown enters, create two 1/1 Scout creature tokens that are all colors.
Whenever a land you control enters, if it doesn't have the same name as another land you control, put a +1/+1 counter on each creature you control.

Equipped creature has menace.
Whenever equipped creature attacks, it gets +X/-X until end of turn, where X is a number of your choice less than its toughness.
Equip {2}

Once each turn, when a creature you control attacks alone, you may untap target attacking creature. After this combat, there's an additional combat step.

Flying, vigilance
When Augur of Pathways enters, surveil 1.

Whenever Apostle of the Spirit Moon becomes blocked by a creature, Apostle of the Spirit Moon deals 1 damage to that creature and that creature's controller.

Menace
Cycling {R} ({R}, Discard this card: Draw a card.)

Zareen's Pariah is all colors.
Flying
During each of your turns, you may cast a spell of each color from your graveyard.

Defender, trample
Tap any number of other untapped creatures you control with total toughness 8 or greater: Formidable Bulkvine's base power becomes 8 until end of turn and it can attack this turn as though it didn't have defender.

As Angelic Barracks enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {U}, {R}, or {W}.

{1}, {T}, Sacrifice Looking Glass: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Kindle 1—{1} ({1}, Exile this card from your graveyard: Create a 1/1 colorless Elemental creature token. Kindle only as a sorcery.)

Mill five cards, then return up to one permanent card from your graveyard to your hand.

Flash
Whenever Mischievous Capuchin or another Monk you control enters, tap target creature you don't control. If it was already tapped, it doesn't untap during its controller's next untap step.

You gain 5 life. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may cast up to two target instant and/or sorcery cards from your graveyard this turn. If a spell cast this way would be put into your graveyard, exile it instead.

When Recognification Process enters and at the beginning of your upkeep, create a token that's a copy of target artifact you control, then sacrifice an artifact.

Target creature gets +1/+3 and gains hexproof until end of turn. (Then exile this card. You may cast the creature later from exile.)

Whenever you cast a spell from anywhere other than your hand, choose one —
• Create a tapped Treasure token.
• Each opponent loses 2 life and you gain 2 life.
• Create a 1/1 colorless Construct Actor creature token.

Whenever a creature enters under an opponent's control, draw a card unless that player pays {1}.

Flying
When Pyre Apostle enters, discard your hand, then draw three cards.
Madness {3}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

As End of the Empire enters, choose a creature card name.
Whenever a creature you don't control with the chosen name dies, create a 4/4 colorless Demon Spirit creature token with menace.