msem-instigator

Whenever you draw your second card each turn, draw a card.

Whenever you cast a spell that doesn't share a color with Feathered Warden, you may gain 1 life.

When Featherfall Ascetic enters, create a 1/1 white and blue Bird creature token with flying.
Whenever a nontoken Aura enters enchanting Featherfall Ascetic, for each other creature you control, you may create a token that's a copy of that Aura enchanting that creature.

Flying, first strike, lifelink

Return target spell or creature to its owner's hand. If you controlled that spell or creature, catalyze. (The next spell you cast this turn costs {1} less to cast.)

Create a 3/2 colorless Horror creature token. All other creatures get -3/-3 until end of turn.

Put a +1/+1 counter on target creature, then you gain 1 life for each +1/+1 counter among creatures you control.

Each player sacrifices a creature. Create a tapped 2/2 black Zombie creature token.

Feed to the Pigs deals X damage to any target. You gain X life.

Whenever an attacking creature dies, you may pay {R}. If you do, create a 2/1 red Merfolk creature token.

Draw cards equal to the number of cards in your hand, then discard three cards.
Cycling {U} ({U}, Discard this card: Draw a card.)

Flying
At the beginning of your upkeep, 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.”)

When Fel Alston, Halfway Queen enters, return target creature card from your graveyard to the battlefield. Then exile that creature unless Fel Alston was cast for its escape cost.
Escape—{1}{W}{U}{B}, Sacrifice two creatures. (You may cast this card from your graveyard for its escape cost.)

When Felhide Marauder enters, if you control a creature with power greater than its base power, Felhide Marauder gains haste until end of turn.

Return up to two target creature cards from your graveyard to your hand. If you control a creature with power greater than its base power, you gain 3 life.

Exile X target permanents you control. Return them to the battlefield under your control at the beginning of the next end step.
Draw a card.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever a permanent card is put into your graveyard from the battlefield, you may put that card on the bottom of the archived library.

[+2]: Each player can cast only one more spell until your next turn.
[–3]: Exile all other permanents, then return them to the battlefield tapped under their owner's control. Creatures can't attack you or planeswalkers you control until your next turn.
[–8]: Return all permanent cards from your graveyard to the battlefield tapped.

Enchant creature
When Feline Furor enters, it deals 2 damage to enchanted creature.
Enchanted creature gets +2/+0 and has menace.

Destroy target creature with power 4 or greater.
Create two Idol tokens. (They're artifacts with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Each player chooses a creature with the least power among creatures they control. Then destroy the rest.

You gain 3 life. Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target creature with flying.

Equipment spells you cast cost {1} less to cast.
Armed — As long as Fellor Armorsmith is equipped, equip abilities you control cost {1} less to activate.

Battalion — Whenever Fellor Bloodseeker and at least two other creatures attack, Fellor Bloodseeker gains lifelink until end of turn.

Choose one—
• Fellor Charm deals 3 damage to any target.
• Target creature gains lifelink and indestructible until end of turn.
• Attacking creatures get +1/+1 until end of turn.