msem-instigator

This spell costs {1} less to cast for each creature that attacked this turn.
Hot to the Touch deals X damage to any target.

When Lifegorging Aberration enters, each opponent loses X life, where X is the number of Zombies you control. You gain life equal to the life lost this way.

{T}: Add {C}.
{5}, {T}, Sacrifice The Aetherite Saloon: Each player discards their hand and draws seven cards.

Spend only mana produced by Treasures to cast spells.
{2}, Discard a card: Create two Treasure tokens.

Whenever a land you control enters, choose one. If it doesn't share a name with another land you control, instead choose both—
• Create a 1/1 Scout creature token that's all colors.
• Put a +1/+1 counter on a creature you control.

When Diseased Prophet enters, each opponent loses 1 life.
Revive {B} ({B}, 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.)

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Return target nonland permanent to its owner's hand. If this spell was harnessed, draw a card.

Trample
Creatures you control have “{T}: This creature deals 1 damage to each opponent. Activate only as a sorcery.”
At the beginning of combat on your turn, if an opponent lost 4 or more life this turn, you may have The Shadowstaff become an artifact creature until end of turn.

Look at the top five cards of your library. You may reveal a permanent card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Enchant creature
When Double Arming enters, put a +1/+1 counter on enchanted creature.
Enchanted creature has menace.
{5}: Return Double Arming to its owner's hand.

Target creature gets +3/+1 and gains trample until end of turn.

When Spectral Kitsune enters, you may remove a counter from target player or permanent.

Whenever Infiltrator of the Anomalous deals combat damage to a player, add {R}. Until end of turn, you don't lose this mana as steps and phases end.

When Driver of Hordes enters, create a tapped 2/2 black Zombie creature token.
Unearth {3}{B} ({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)

Gain control of target creature until end of turn. Untap that creature. It gains haste and is marked until end of turn.

Counter target spell if four or more mana was spent to cast it.

You get a glory counter, then gain life equal to the number of glory counters you have. (You lose glory counters before life. A player with ten or more glory counters wins the game.)
Draw a card.

Flying
Whenever you aetherize, you may have Telarine Skychaser become an artifact creature until end of turn.
Crew 3 (Tap any number of creatures you control with total power 3 or greater: This Vehicle becomes an artifact creature until end of turn.)

Return target artifact or creature card from your graveyard to your hand.
Draw a card.

Art of war — At the beginning of your end step, if Jaakuna Betrayer dealt damage to an opponent this turn, you may discard a card. If you do, draw a card.

Haste
Whenever Eager Guide attacks, tap up to two target creatures you don't control.

Each player discards their hand, then draws cards equal to the greatest number of cards discarded this way.

Catalina's Turf enters tapped.
When Catalina's Turf enters, you may mill two cards.
{T}: Add {B} or {R}.

Grisly Marsh enters tapped unless another player controls a land that could produce {B} or {G}.
{T}: Add {B} or {G}.

Target creature you control fights another target creature.
Inscribe {3}{G} ({3}{G}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)