msem-instigator

Flying
When Brilliant Griffin enters, target creature gets +2/+2 until end of turn.

Whenever you cast a spell that doesn't share a color with Stinging Hunter, each opponent loses 1 life.

Vivid Meadow enters tapped with two charge counters on it.
{T}: Add {W}.
{T}, Remove a charge counter from Vivid Meadow: Add one mana of any color.

Whenever Jak, Daring Vanguard or another legendary creature you control enters, creatures you control get +1/+0 and gain haste until end of turn.

Enchant creature you control
Enchanted creature gets +1/+1.
{1}{U}: Return Lightning Draw and enchanted creature to their owners' hands.

Deception {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever a Pirate or Rogue you control deals combat damage to a player, rediscover a Pirate or Rogue card. (Look at the top card of your library. You may reveal it and put it into your hand if it's a Pirate or Rogue. Otherwise, put it back or into your graveyard.)

(Transforms from Ruined Theater.)
{T}: Add one mana of any color.

Lands you control have hexproof.
{2}{G}{U}: Rouse 2. (Distribute two +1/+1 counters among permanents you control. If they aren't creatures, tap them and they become 0/0 creatures in addition to their other types.)

Flash (You may cast this spell any time you could cast an instant.)
When Silk Crane Adept enters, target creature gains hexproof until end of turn.

Return target nonland permanent to its owner's hand. You get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

Flying, first strike
Whenever this creature transforms into Flame-Tested Dragon or attacks, it deals 1 damage to each creature you don't control.

Deathtouch
Mirage {1}{B} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Flooding Magma deals 2 damage to each creature except for equipped creatures you control.

Flying

Deathtouch
Whenever another creature dies, its controller discards a card at random.

Enchant player
Enchanted player may play an additional land on each of their turns.
Enchanted player may play lands from their graveyard.

Exile target nonland permanent if its mana value is less than or equal to the greatest number of nonland permanents controlled by a single player.

Deathtouch
Whenever a creature you control with deathtouch deals damage to an opponent, that player creates a black enchantment token named Blight with “At the beginning of your upkeep, you lose 1 life.”

Tarmovore's power and toughness are each equal to twice the number of card types among cards in all graveyards.

[+2]: Exile any number of target artifacts and/or enchantments you control, then return them to the battlefield under your control. You may draw that many cards.
[–4]: Search your library for an enchantment card, put that card onto the battlefield, then shuffle.
[–12]: Put any number of permanent cards you own from outside the game onto the battlefield tapped.

Flash
As long as Iroshi entered this turn, you may activate their loyalty abilities any time you could cast an instant.
[+1]: You may return a creature you control to its owner's hand. If you do, draw a card.
[–1]: Create a 2/2 green Ninja creature token.
[–2]: Target creature you control deals damage equal to its power to target creature or planeswalker.

Each player sacrifices six permanents.

Create two 1/1 red Soldier creature tokens with haste.

Whenever one or more other creatures you control enter, you gain 1 life. If at least one of those creatures was a Cleric, you gain 2 life instead.
As long as you have at least 8 life more than your starting life total, other Clerics you control get +1/+1.

At the beginning of combat on your turn, you may attach any number of Equipment you control to target creature you control.