msem-instigator

Double strike

Whenever Pelaski Valiant becomes tapped, target creature gets +1/+1 until end of turn.

Whenever you cast a spell that doesn't share a color with Pelt Mystic, you may scry 1.

When Pelt's Refuge enters, if {G} was spent to cast it, distribute two +1/+1 counters among creatures you control.
Whenever a creature you control dies, draw a card.

Equipped creature gets +1/+1 for each creature you control.
Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

{1}, Sacrifice Penny Dreadful: Target creature can't attack or block this turn.
{1}, Sacrifice Penny Dreadful: Draw a card.

Whenever Penny and Pete attacks, gain control of up to one target noncreature permanent and up to one target creature until end of turn. Untap the noncreature permanent, then tap the creature. It's attacking.

When Pensive Muse enters, create a white Aura enchantment token named Seal's Love attached to target creature you control. The token has enchant creature and “Enchanted creatures you control get +1/+1.”

When Pensive Songwriter enters, you may copy and then exile an instant or sorcery card with mana value 2 or less from your hand. Cast the copy without paying its mana cost. You may cast the card as long as it remains exiled.

Enchant creature you control
Enchanted creature has “{T}: Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.”
{6}{U}{U}, Exile Perceive Eons from the battlefield or your graveyard: Shuffle your graveyard into your library. Take an extra turn after this one. Activate only as a sorcery.

At the beginning of each main phase, each player adds {W}{U}{B}{R}{G}.

Flying
When Percy's Messenger enters, you gain 2 life. You may put a lore counter on a Saga you control.

When Percy's Perfect World enters, search your library for a legendary white card, reveal it, put it into your hand, then shuffle.
If an effect would create one or more creature tokens under your control, it creates twice that many of those tokens instead.

Green creatures you control have “{T}: Add one mana of any color.”
Red creatures you control have “{1}, {T}: This creature deals 1 damage to target player.”
White creatures you control have “{2}, {T}: Tap target nonland permanent.”

Protection from tokens
[+1]: Each player may draw a card. For each opponent that does, you gain 1 life and create a 1/1 colorless Construct Actor creature token
[–2]: Each player sacrifices a creature. Create a token that's a copy of a creature sacrificed this way.
[–7]: Until end of turn, each creature you control becomes a 6/6 black Horror creature with trample, menace, and lifelink.

Madness {4}{G} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Target creature gets +4/+4 until end of turn. Put a trample counter on it. If this spell's madness cost was paid, all creatures able to block that creature this turn do so.

Perfect Aim deals 5 damage to target creature with flying. When that creature dies this turn, you gain 5 life.

At the beginning of your declare attackers step, create a 0/1 white Cat creature token that's tapped and attacking. Exile that token at the beginning of the next end step.

Trample
Whenever a token you control enters, put a +1/+1 counter on target creature.

Look at the top four cards of your library. Put two of them into your hand and the rest on the bottom of your library in a random order. Create a tapped Treasure token.

Perfect the Models deals 3 damage to any target and you gain 3 life. You may play an additional land this turn.
{5}{B}{R}{G}, Exile Perfect the Models from your graveyard: Create three 3/3 black Demon Horror creature tokens. They gain haste and indestructible until end of turn. Activate only as a sorcery.

Whenever Perfecting Forgemaster enters or attacks, you may sacrifice an artifact. If you do, look at the top six cards of your library. You may reveal an Equipment card from among them. Put it onto the battlefield if its mana value is less than or equal to the sacrificed artifact's mana value. Otherwise, put it into your hand. Then shuffle.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you cast your second spell each turn, add a quest counter.
Exile the top card of your library. You may play that card until the end of your next turn.
The second spell you cast during your next turn cost {1} less to cast.
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.

First strike
Prevent all damage that would be dealt to creatures you control by sources with greater mana value.
{2}{W}{W}: Create a 1/1 colorless Construct Actor creature token. Put a vigilance counter on it.

At the beginning of your upkeep, each player discards a card. Then if a player has no cards in hand, you may transform Performer of Ambition.