msem-instigator

This spell costs {2} less to cast if an opponent lost life this turn.
Destroy target creature.

Deception {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Nightfall Infiltrator deals combat damage to a player, that player discards a card.

Whenever you cast a spell, Nightfire Adept gets +3/+0 until end of turn if that spell has the same name as a card in your graveyard.

At the beginning of your upkeep, if Nightmare Riders is in your graveyard, you may mill two cards.

Create a token that's a copy of target creature card in your graveyard, except it has no mana cost.

Flash
When Odaya Magistrate enters the battlefield, you may counter target noncreature spell.

Deception {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Whenever you cast an instant or sorcery spell from your hand, you may cast target card with the same name as that spell from your graveyard. (You still pay its costs.)

Colorless creatures you control get +1/+1.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Scry 2.

Target player mills seven cards.
Inscribe {3}{U}{B} ({3}{U}{B}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

Exile target nontoken permanent you control, then return that card to the battlefield under its owner's control.

Deception {B} ({B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
When Oshiruko Operative enters the battlefield, target player loses 1 life.

When Oshiruko Purifier enters the battlefield, create a 2/2 colorless Spirit creature token.
Colorless creatures you control have lifelink.

Deception {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
When Oshiruko Silencer enters the battlefield, return target creature to its owner's hand.

Prevent all combat damage that would be dealt to attacking creatures you control.

Each instant and sorcery card you own that isn't on the battlefield has inscribe. The inscribe cost is equal to its mana cost. (Exile that spell card inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

{T}, Sacrifice Palace of Reflections: Choose a land you control. Search your library for a land card with the same name as the chosen land, put it onto the battlefield tapped, then shuffle.

Flash
If a nontoken creature you don't control would enter the battlefield and it wasn't cast, exile it instead.
When Paragon of Honor leaves the battlefield, return each card exiled with it to the battlefield under their owner's control.

Exile the top card of your library, a card from your hand and a card from your graveyard. Put one of the exiled cards on top of your library, one into your hand, and the other into your graveyard.

When target creature or planeswalker dies this turn, return that card to the battlefield under your control. Destroy that permanent.

Look at the top three cards of your library, then put them back in any order. If you've cast a spell named Whisper of the Winds this turn, draw a card.
Inscribe {2}{U} ({2}{U}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

At the beginning of your declare attackers step, create a 0/1 white Cat creature token that's tapped and attacking. Exile that token at the beginning of the next end step.

{T}: Add {C}.
{1}, {T}, Sacrifice Perilous Passage: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Deathtouch
Whenever Phantasmal Stalker deals damage to a planeswalker, destroy it.