msem-instigator

As an additional cost to cast this spell, discard a card.
Draw two cards.

At the beginning of your postcombat main phases, add an amount of {R} equal to the number of creatures you controlled that dealt combat damage to a player or planeswalker this turn.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you cast your second spell each turn, add a quest counter.
1 — Exile the top card of your library. You may play that card until the end of your next turn.
2 — The second spell you cast during your next turn cost {1} less to cast.
3 — You may cast target instant or sorcery card from your graveyard this turn. When you do, copy it. You may choose new targets for the copy.

{1}{R}: Performer of Desire gets +1/+1 and gains menace until end of turn. Then if its power is 4 or greater, you may transform it.

Exile target land. Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Whenever a spell or ability with one or more targets is put onto the stack, reselect its targets at random.

Petal Blade deals 2 damage to target attacking or blocking creature. Create a Treasure token.

Whenever a noncreature permanent enters, Petaldiver deals 1 damage to that permanent's controller.

Target creature you control gets +2/+0 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Whenever a source you control deals damage to an opponent this turn, exile the top card of your library. You may play it this turn.

Flying, haste
Whenever Phoenix of Agonas attacks, you may discard a card. If you do, draw a card.
{4}{R}: Return Phoenix of Agonas from your graveyard to your hand. This ability costs {X} less to activate, where X is your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

{R}: Phyrexian Firemaster gains haste until end of turn.

You may cast instant and sorcery cards from your graveyard. Spend no more than one mana of each color to cast spells this way each turn. If a spell cast this way would be put into your graveyard, exile it instead.

Discard your hand, then for each creature you control that dealt combat damage to a player this turn, draw a card and create a Treasure token.
{1}{R}, Tap an untapped Pirate you control, Discard Pieces of Eight: Create a 2/1 black and red Cat Pirate creature token with menace.

This spell can't be countered.
Piercing Arrow deals 4 damage to any target.

Unattach all Equipment from target creature. Piercing Blow deals 3 damage to that creature.

Pillar of Flame deals 2 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Whenever you cast a red spell, target creature gets +1/+0 and gains haste until end of turn.

Your life total becomes 4. Each opponent's life total becomes 2.

First strike, haste
Whenever you cast an enchantment, instant, or sorcery spell, put a +1/+1 counter on Plasma Blader.
{2}{R}{R}, Sacrifice Plasma Blader: It deals damage equal to its power to any target.

Return target blocking creature to its owner's hand. Creatures blocked by that creature get +1/+1 and gain trample until end of turn.