msem-instigator

When Thespian's Page enters, return target instant or sorcery card from your graveyard to your hand.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
Zoulev Envoy can't be blocked.

If you would draw one or more cards, instead you may draw that many cards plus one, then discard a card.
As long as ten or more cards are in your graveyard, noncreature spells you cast cost {1} less to cast.

When Frisky Denmates enters, create a 2/1 red and white Fox creature token, then Frisky Denmates deals damage to target creature or planeswalker an opponent controls equal to the number of Foxes you control.

Destroy target attacking or blocking creature.

Each player chooses a nonbasic card name, then searches each of their opponents' graveyards, hands, and libraries for any number of cards with the chosen name and exiles them. Each player shuffles, then draws a card for each card exiled from their hand this way.

As Legacy Foundations enters, you may reveal a Plains or Swamp card from your hand. If you don't, Legacy Foundations enters tapped.
{T}: Add {W} or {B}.

Return target nonland permanent to its owner's hand.
Reprise {2}{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.)

If an opponent controls more lands than you, search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Flying
When Ineptitude enters, untap target creature and gain control of it until end of turn. Put three stun counters on that creature. It gets +3/+3 and gains haste until end of turn.

When Alder Courtier dies, you gain 4 life.

At the beginning of each upkeep, create X 1/1 white Soldier creature tokens, where X is two plus the number of creatures you control.

Flying, lifelink
Liesa has haste as long as it was foreshadowed.
When Liesa dies, each opponent sacrifices a creature and loses 2 life.
Foreshadow {4}{W}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Captain of the Militia's power and toughness are each equal to the number of creatures you control.
Adorned — Creatures you control have vigilance as long as Captain of the Militia is equipped and/or enchanted.

Whenever you draw a card, you may exile the top card of your library.
{3}{U}{U}, Sacrifice Collector of Memories: Shuffle your hand into your library, then put each card exiled with Collector of Memories into its owner's hand.

Counter three target spells.

Whenever an opponent is dealt damage by one or more sources you control for the second time each turn, draw a card.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +2/+1 and has trample.

When Offer the Heart enters, draw a card, then choose a card name.
Whenever a creature with the chosen name dies, you gain 1 life and may draw a card.

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

Unzari Ruins enters tapped.
{T}: Add {C}.
Tap five untapped creatures you control: Unzari Ruins becomes a 10/10 Construct artifact creature with trample until end of turn. It's still a land.

Flamewhip deals 2 damage to each non-Goblin creature.
If you control a Goblin creature, create a 1/1 red Goblin creature token.

Flying, ward {1}
Intisuyu's Masterpiece gets +X/+X, where X is the number of artifacts and/or enchantments you control.

Other Warriors you control have first strike.
Other Barbarians you control get +1/+0.

Target creature you control deals damage equal to its power to target creature you don't control.