msem-instigator

Until end of turn, target creature gains “When this creature is dealt damage, destroy it.” (Then exile this card. You may cast the creature later from exile.)

When Ideologize enters, exile target creature an opponent controls and each other permanent with the same name that player controls. When Ideologize is no longer on the battlefield, return a card exiled with it to the battlefield under its owner's control.

Target creature you control gets +2/+2 until end of turn and must be blocked this turn if able.

At the beginning of each upkeep, untap up to two target lands.

Cleansing Brimstone deals 2 damage to any target. If a creature or planeswalker dealt damage this way would die this turn, exile it instead.

Altar of Chaos enters tapped.
{T}: Add {R}.
{T}: Add {G} or {U}. Altar of Chaos doesn't untap during your next untap step unless you control an Angel creature.

{1}{R/W}: Untap Blade of the Long Night.

Survivors you control have lifelink.

Whenever Spiritual Heir deals combat damage to a player, you may search your library for a card named Spiritual Heir, reveal it, put it into your hand, then shuffle.

({T}: Add {G} or {U}.)
Lush Oasis enters tapped unless you control a basic Forest or a basic Island.

Gain control of target noncreature, nonland permanent with mana value X.

Flying
When Shoal Raker enters, draw a card if an opponent is cursed.

Vigilance
Whenever Asamund attacks, choose up to one each of target Dwarf, Elf and Human. Those creatures get +1/+0 until end of turn.
When you attack with at least one each of Dwarf, Elf, and Human, exile up to one target nonland permanent. Do this only once.

Fulfill the Contract deals X damage to target creature or planeswalker and you gain X life, where X is the number of Satrapies you control.
Satrapycycling {2} ({2}, Discard this card: Search your library for a Satrapy card, reveal it, put it into your hand, then shuffle.)

Flash
Unveil {3}{B}{G} ({3}{B}{G}: Transform this. Unveil only as a sorcery.)

Flying, deathtouch

Choose one —
• Target permanent gains protection from instants and sorceries until end of turn.
• You gain 3 life.
• Draw a card.

({T}: Add {G} or {W}.)
Sungrace Meadows enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Double strike
Ride {2}{W} ({2}{W}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)
Remove a +1/+1 counter from Spellsword Elite: The next noncreature spell you cast this turn costs {1} less to cast.

Flash
Enchant creature
Enchanted creature gets +3/+3.
Cycling {2} ({2}, Discard this card: Draw a card.)

You may put a green creature card from your hand onto the battlefield. If you do, it fights target creature you don't control.

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)
Each creature you control with a +1/+1 counter on it has indestructible.

Enchant opponent
At the beginning of enchanted player's upkeep, exile up to two target cards from that player's graveyard. If two cards that share a type are exiled this way, you draw a card and you lose 1 life.

At the beginning of your end step, create an X/X colorless Construct artifact creature token, where X is the number of artifacts that were put into your graveyard from the battlefield this turn.