msem-instigator

This spell costs {1} less to cast for each time you catalyzed this turn.
Counter target spell unless its controller pays {X}.

Create a 1/1 white Soldier creature token. It gets +1/+1 and gains first strike until end of turn.

Enchant creature
Enchanted creature and other creatures you control that share a creature type with it get +1/+1 and have vigilance.

Whenever Passionate Painter becomes untapped, you may discard a card. If you do, draw a card, then transform Passionate Painter.

When Arisen Troops dies, you may destroy target creature that was dealt damage this turn.

Spark New Life deals X damage to any target. You may put up to X land cards from your hand and/or graveyard onto the battlefield.

Whenever you cast a noncreature spell, put a +1/+1 counter on Anointed Truthseeker. Up to one target creature can't block Anointed Truthseeker this turn.

Until end of turn, target creature gets +2/+2 and gains trample and “Whenever this creature deals combat damage to a player, investigate.” (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

At the beginning of your end step, create an X/X colorless Construct artifact creature token, where X is the number of artifacts that were put into your graveyard from the battlefield this turn.

Whenever Starlight Emissary harnesses a spell, draw a card.

Once each turn, you may reveal a creature card as you draw it. Whenever you do, create a 1/1 green and blue Bird creature token with flying and “{T}: Add one mana of any color.”
Whenever three or more creatures you control deal combat damage to a player, untap each creature you control.

Counter target spell. Draw a card, then discard a card.

Attacking creatures get -2/-0 until end of turn.
Metamorph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Converge — You draw X cards and gain X life, where X is the number of colors of mana spent to cast Animus Vox.

When Screams from the Deep enters, exile up to one target monocolored permanent.
As long as an opponent owns three or more cards in exile, you may have Screams from the Deep assign its combat damage as though it weren't blocked.
Evoke {5} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Counter target spell unless its controller pays {2}.
Reprise {3}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

Kicker {1}{G} (You may pay an additional {1}{G} as you cast this spell.)
When Vigorous Tracker enters, if it was kicked, search your library for a land card, reveal it, put it into your hand, then shuffle.

Create three 0/1 green Plant creature tokens.

Create three 1/1 colorless Servo artifact creature tokens.
Exile Unending Armies. At the beginning of your upkeep, if you have more life than each opponent, you may cast it without paying its mana cost. Otherwise, put it into your graveyard.

Shuffle your hand and graveyard into your library, then draw a card for each spell you cast this turn.

Choose two —
• Target player sacrifices a creature.
• Grixis Command deals 3 damage to target player or planeswalker and you gain 3 life.
• Return target spell to its owner's hand.
• Return target monocolored instant or sorcery card from your graveyard to your hand.

Exile target artifact an opponent controls. Until end of turn, you may cast a copy of that card. (You still pay its costs.)

Whenever you cast an Inscription spell, you may choose target creature you control. If you do, as that Inscription resolves, exile it inscribed onto that creature instead of putting it anywhere else.

When Dawson's Loot enters, mill two cards, then draw a card.
{1}, {T}, Sacrifice Dawson's Loot: Add one mana of any color.