msem-instigator

Counter target spell.

Glitch {1} (Remove one [restriction] for each time you pay the glitch cost.)
Each opponent loses 3 life, discards a card, sacrifices a creature, then sacrifices a land.
[You lose 3 life.] [Discard a card.] [Sacrifice a creature.] [Sacrifice a land.]

Vigilance, reach
Whenever Cave Spider blocks a creature with flying, Cave Spider gets +2/+0 until end of turn.

Flying
Whenever Cavern Scourge attacks, you may exile a card from your graveyard. If you do, you gain 3 life.

Trample
{4}{G}: Centaur Warband gets +2/+2 until end of turn.

Chained Greatwolf enters with a defender counter on it.
{3}{G}{G}, Remove a defender counter from Chained Greatwolf: Chained Greatwolf gets +5/+5 and gains trample until end of turn. Activate only during your turn.

Flying
When Champion's Steed enters, put a flying counter on target Avatar you control without flying.

Trample
{1}{G}, Exile a card from your graveyard: Target creature gains trample until end of turn.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

[+2]: You may sacrifice a permanent or discard a card. If you do, draw a card.
[–X]: Return target creature card with mana value X or less from your graveyard to the battlefield.
[–8]: You get an emblem with “Whenever a permanent you control dies, return a permanent card with lesser mana value from your graveyard to the battlefield.”

Coastal Metropolis enters tapped unless you have 15 or less life.
{T}: Add {W} or {U}.

Counter target spell.
Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

(Add a quest counter as this enters. Sacrifice after 6.)
Whenever you cast a permanent spell, add a quest counter.
1, 2, 3, 4, 5 — Choose a color that hasn't been chosen. Search your library for a permanent card that's exactly that color, reveal it, and put it into your hand. Then shuffle.
6 — Exile Collect the World Stones. For the rest of the game, you may spend mana as though it were mana of any color.
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Choose one —
• Create two 1/1 white Soldier creature tokens.
• If you spent three or more mana to cast this spell, create five 1/1 white Soldier creature tokens.

Trample
Colossal Greatwurm enters with five +1/+1 counters on it.
Whenever a player draws a card, put a +1/+1 counter on Colossal Greatwurm.
Remove three +1/+1 counters from Colossal Greatwurm: Create a 3/3 green Wurm creature token.

This spell costs {1} less to cast for each card you've drawn this turn.
Copy target instant or sorcery spell. You may reselect modes and choose new targets for the copy.

{T}: Add {C}.
{T}, Sacrifice a Clue: Draw a card.

Align X (Choose modes with total ★ less than or equal to X. You may choose modes multiple times.)
• ★ — Draw two cards, then discard two cards.
• ★★ — Draw three cards, then discard a card.
• ★★★★★ — You may cast a spell from your hand and from your graveyard without paying their mana costs.

Target creature gets +1/+0 and gains first strike until end of turn. Put a deathtouch counter on it.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell with a creature type no creature you control has.

Flash
When Cunning Mimic enters, sacrifice it unless you return another artifact or creature you control to its owner's hand.

Dafiqi Falconer gets +X/+X, where X is the amount of life you've gained this turn.
As long as your life total is greater than your starting life total, Dafiqi Falconer has flying.

When Dark Apprentice enters, mill three cards, then return a creature card from your graveyard to your hand.

Menace
When Darna's Atrocity enters, you may pay 2 life. If you do, you draw two cards and mill two cards.
{B}, Exile a card from your graveyard: Darna's Atrocity gets +1/+1 until end of turn.