msem-instigator

Return all nonland permanents to their owners' hands.

Exile target player's graveyard.

Permanents your opponents control enter tapped.
Whenever a permanent enters tapped and under your control, untap it.
Cycling {2} ({2}, Discard this card: Draw a card.)

Create a token that's a copy of target nonland permanent you control with mana value X.
Flashback—{U}{U}, Exile cards from your graveyard with exactly X card types among them. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one —
• Creatures you control get +2/+0 until end of turn.
• Creatures your opponents control can't block creatures with less power this turn.

Counter target creature spell. You may cast a copy of that spell. (You still pay its costs. The copy becomes a token.)

Destroy all nonland, nonenchantment permanents.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you gain 2 life for each permanent destroyed this way.

{T}: Add {C}.
Concord — {T}: Create a Treasure token. Activate only if there are four or more card types among permanents you control.

Return target Actor or enchantment card from your graveyard to the battlefield.

Reprise {4}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)
Target player mills a card. Create X tapped 2/2 black Zombie Pirate creature tokens, where X is the total number of cards milled by this spell.

Untap each creature you control. After this main phase, there is an additional combat phase followed by an additional main phase. At the beginning of your end step, sacrifice each creature you control that attacked this turn.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Equipped creature gets +1/+1 and has hexproof.
Whenever equipped creature deals combat damage to a player, you may return up to one target instant or sorcery card from your graveyard to your hand.
Equip {3}

When Encrypted Monument is put into your graveyard from anywhere, you may pay {2} and exile it. If you do, draw two cards.

Choose a nonland permanent type, then destroy all nonland permanents that aren't of the chosen type.

Ward—Sacrifice three permanents.
At the beginning of your end step, put a desperation counter on End of History. Draw two cards for each counter on it, then exile the top three cards of your library for each counter on it.

Each player discards their hand and sacrifices all permanents they control, draws seven cards, then abounds seven times. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

As End of the Empire enters, choose a creature card name.
Whenever a creature you don't control with the chosen name dies, create a 4/4 colorless Demon Spirit creature token with menace.

As an additional cost to cast this spell, sacrifice a creature.
Create X Treasure tokens, where X is the sacrificed creature's mana value.

Destroy target creature. End of the Road deals damage equal to that creature's power to that creature's controller or a planeswalker that player controls.

Destroy all nonenchantment permanents. If thirty or more lands were destroyed this way, you win the game.

Enchant land
Enchanted land has “{T}: Target creature gets -1/-1 until end of turn. Activate only as a sorcery.”

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

Artifact creatures you control have haste.
At the beginning of your upkeep, create a 1/1 colorless Construct artifact creature token. If you control six or more artifacts, create a 6/6 colorless Golem artifact creature token instead. Tokens created this way attack this turn if able.

Destroy target creature or planeswalker.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)