msem-instigator

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
As long as Legend of the Brave is tapped, you may have creatures you control assign their combat damage as though they weren't blocked.

Whenever you gain life, Militant Youth gets +1/+1 until end of turn.

Shokan Battalion has double strike as long as it's enchanted, equipped, or has a card inscribed onto it.

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)

{1}{R}{W}: Create a 2/1 red and white Fox creature token. It gains haste. Sacrifice it at the beginning of the next end step.
Whenever Fox of a Brisk Autumn attacks, attacking Foxes you control get +1/+1 until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)
Other Soldier creatures you control get +1/+1 and have first strike.
{3}{W}: Create a 1/1 white Soldier creature token.

Flying, vigilance
Augmented — When Antigravity Agent enters, if you've spent {W}{U}{R}{B}{G} to cast spells this turn, distribute a flying counter and a vigilance counter among one or two creatures you control.

This spell costs {2} less to cast if an opponent was dealt combat damage this turn.
When Dastardly Duo enters, audition for black. (Create a 1/1 Construct Actor creature token, a Cleric Role giving 2/2 and lifelink, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)

When this creature enters, put a -1/-1 counter on a creature you control.
Whenever you put one or more -1/-1 counters on one or more creatures, surveil 2.

Lifelink
When this creature enters, put a -1/-1 counter on a creature you control.

Flash
Enchant creature
When Roar of the Wilds enters, enchanted creature gets +3/+3 until end of turn.
When enchanted creature dies, create a 1/1 green Saproling creature token.

Revive abilities of cards in your graveyard cost {1} less.
Sacrifice Fallow Grave: Create a 1/1 black Worm creature token.

Trample
Arpechian Champion can only attack or block alone.
Whenever a land you control enters, put a +1/+1 counter on Arpechian Champion.

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

Flash
When Splitting Image enters, you may pay {2} any number of times. Whenever you do, copy target spell. You may reselect modes and choose new targets for the copies.

Whenever you cast a spell, you may cast a spell from your hand with lesser mana value without paying its mana cost.
You can't cast more than one spell of each card type each turn.

Ferocious — Whenever a creature with power 4 or greater you control enters, Mieng, Who Dances With Dragons becomes a 4/4 Dragon creature with flying until end of turn.

When King of Bones enters, exile up to ten target creature cards in graveyards. Each opponent loses X life and you gain X life, where X is the number of cards exiled this way.

When Ruthless Conscript dies, arm up to two target creatures you control. (Create a colorless Equipment artifact token with “Equipped creature gets +1/+0” and equip {2}, then attach it to that creature.)

First strike
Other Foxes you control get +1/+1.
Whenever a Fox you control becomes blocked, it deals 1 damage to each creature blocking it.

Flourishing Forest enters tapped.
As Flourishing Forest enters, choose a basic land type.
Flourishing Forest is the chosen type in addition to its other types.

Flash
Creatures you control get +1/+1.

You draw a card and you lose 1 life.
Whenever you cast a spell from anywhere other than your hand, you may pay 1 life. If you do, return Desolate Advance from your graveyard to your hand.

Menace, haste
Whenever Aiel's Fury attacks, scry 2, then reveal the top card of your library. Aiel's Fury gets +X/+0 until end of turn, where X is that card's mana value.

Draw two cards. Each opponent draws a card.