msem-instigator

Enchantment spells you cast cost {1} less to cast.

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Until end of turn, target creature you control gets +3/+0 and gains first strike and haste. [Sacrifice it at the beginning of the next end step.]

Whenever Fated Mariner attacks, forebode. (Create a tapped colorless Omen artifact token with “{T}, Discard a card, Sacrifice this artifact: Draw a card.”)
{1}{U}: Fated Mariner can't be blocked this turn.

Choose one —
• Fatefire deals X damage to target creature. It loses indestructible until end of turn.
• Fatefire deals 2 damage to each creature if X is 2. Creatures dealt damage this way lose indestructible until end of turn.

When Faulty Lock enters or is put into a graveyard from the battlefield, choose a creature you control. Whenever that creature deals combat damage to a player this turn, draw a card.
{2}{U}: Sacrifice Faulty Lock. Activate only as a sorcery.

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

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

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

Wanderlust — Feral Ornithax gets +2/+2 and has trample as long as you control four or more differently named lands.

Ferocious Flame deals 2 damage to any target. If you control a creature with power 4 or greater, it deals 4 damage instead.

Fertile Steppe enters tapped unless you have 15 or less life.
{T}: Add {G} or {W}.

Target creature gets +1/+0 and gains first strike and haste until end of turn.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
{T}: Add {C}. If you're in a renaissance, add one mana of any color instead.
{3}, {T}: Scry 1.

Choose one —
• Festival Sabotage deals 2 damage to any target.
• Audition for red. (Create a 1/1 Construct Actor creature token, a Warrior Role giving 3/2 and trample, or a Wizard Role giving 2/2 and prowess. Roles replace older ones.)

Choose one —
• Target attacking creature gets +2/+2 until end of turn.
• Destroy target artifact.

Festive Servitor gets +1/+1 for each color among spells you've cast this turn.
{2}: Add one mana of any color.

{B}: Fetid Nibbler gains deathtouch until end of turn.

{T}: Add {C}.
{T}, Pay 1 life: Add {G} or {U}.

Whenever another nontoken creature you control dies, create a 1/1 black Rat creature token with “This creature can't block” if this is the first time this ability has resolved this turn. Otherwise, Ffion, Famine Warcaller deals 1 damage to each player.

When Fidelity of the Pure dies, create a 1/1 green and white Elk Spirit creature token.
Revive {2}{W} ({2}{W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Field of Obelisks enters tapped.
As Field of Obelisks enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

{T}: Add {C}.
{T}, Tap an untapped creature you control: Add one mana of any color. You gain 1 life.

Haste

Target creature you control gets +2/+2 and gains trample until end of turn.
Ferocious — You may cast Fierce Howl as though it had flash if you control a creature with power 4 or greater.

Target creature gets +2/+2 and gains trample until end of turn.