msem-instigator

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

{2}, {T}, Sacrifice a creature: Each opponent loses 2 life. You gain life equal to the life lost this way.

Reveal the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest into your graveyard. Then flip a coin. If you win the flip, return Primal Evocation to its owner's hand.

Haste
When Prophetic Flame dies, scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

You may tap or untap target permanent.
Scry 1.

Target creature gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Enchant creature
{U}: Tap enchanted creature.
{1}{U}: Untap enchanted creature and gain control of it until end of turn.

Pyrostorm deals 10 damage divided as you choose among any number of targets.

Flying
Whenever a creature you don't control deals damage, its controller sacrifices it unless that player pays {2}.

Return target instant or sorcery card from your graveyard to your hand.
Draw a card.

Counter target spell unless its controller pays its mana cost. (For example, if a spell costs {1}{U}{U}, its controller must pay {1}{U}{U}.)

Untap all basic lands you control.
Draw a card.

{B}: Revenant Shade gets +1/+1 until end of turn.

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

Creatures you control get +2/+0 and gain menace until end of turn. (They can't be blocked except by two or more creatures.)

Create a 1/1 green Saproling creature token for each nonland permanent card in your graveyard.

Destroy target land. Create a 2/2 black Zombie creature token.

Whenever a creature enters the battlefield under your control, you may have it get +1/+1 until end of turn. If you do, it fights target creature. (Each deals damage equal to its power to the other.)

Defender (This creature can't attack.)
{W}, {T}: You gain 1 life.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards. (If you cast a spell this way, you still pay its costs. You can play a land this way only if you have an available land play remaining.)

[+1]: Until end of turn, you may cast a creature card from your graveyard. Creature spells cast this way cost {2} less to cast.
[–2]: Each player discards a card. For each player who discarded a creature card this way, create a 2/1 black Horror creature token.
[–6]: For each player, you may put a creature card from that player's graveyard onto the battlefield under your control.

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Sagi's Revenant deals combat damage to a player, that player discards a card.
Whenever an opponent discards a land card, you may have target creature get -2/-2 until end of turn.

Prevent all damage that would be dealt to and dealt by target creature this turn. You gain 3 life.

Flying, lifelink
Whenever you gain life, you may have target creature get -X/-X until end of turn, where X is the amount of life you gained.