msem-instigator

As an additional cost to cast this spell, return a creature you control to its owner's hand.
Counter target spell.

Exile target creature. Its controller loses 3 life.

Search your library for a card, reveal it, then shuffle and put that card on top. You lose life equal to its mana value.

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.”)

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

Flying
Vanishing (At the beginning of your upkeep, remove a time counter from this permanent. When the last is removed, sacrifice it.)
Ficklewing Elemental enters with a time counter on it for each card in your hand.

Choose one —
• Destroy target creature with flying.
• Target creature you control gets +2/+2 until end of turn.

Flying
Whenever another artifact you control enters, Filigree Drake gets +1/+1 until end of turn.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Draw three cards.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Flamethrower deals 4 damage to any target.

Target creature you control fights another target creature. If either of those creatures would die this turn, exile it instead.

You may have Flawless Counterfeit enter as a copy of any noncreature artifact on the battlefield.

({T}: Add {G}.)
As Flourishing Dunes enters, you may pay 1 life. If you don't, Flourishing Dunes enters tapped.

Flying
Whenever Flying Scorpion attacks, it gets +1/+0 until end of turn for each creature you control that's not attacking.

This spell has flash as long as you control a creature with flash or haste.
Discard up to two cards, then draw that many cards plus one.

Equipped creature gets +1/+1.
{1}: Equipped creature gains indestructible until end of turn. Sacrifice Focus Sash.
Equip {1}

Mill three cards, then return an artifact or creature card from your graveyard to your hand.

{T}: Add {C}. Exile a card from your graveyard.
{3}: Until end of turn, Forgotten Temple becomes an X/X creature, where X is the number of cards exiled by it. It's still a land.
As long as a creature card with flying is exiled by Forgotten Temple, it has flying. The same is true for first strike, double strike, deathtouch, experience, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Enchant creature
Enchanted creature gets +2/+2 and has flying and haste.
When enchanted creature dies, return it to the battlefield under its owner's control.

When Fox of the Sunset Legion enters, create two 1/1 white Fox Spirit creature tokens.

As an additional cost to cast this spell, you may sacrifice a creature.
Create a 1/1 green Insect creature token. If you sacrificed a creature to cast this spell, create three of those tokens instead.

Whenever one or more cards leave your graveyard for the first time each turn, each player loses 1 life and you draw a card.

At the beginning of your end step, if a card left your graveyard this turn, create a 3/1 black Human Rogue creature token named Shengin Renegade.

Whenever a creature you control enters, if its mana value is greater than the number of bloom counters on From a Seed, put a bloom counter on From a Seed.
Creatures you control get +1/+1 for each bloom counter on From a Seed.

Enchant creature
Enchanted creature gets +2/+3 and has trample.