msem-instigator

Vigilance
Whenever Lowly Cataphract and at least two other creatures attack, put a +1/+1 counter on Lowly Cataphract.
Surpass {5}{W} ({5}{W}: Transform this. This costs {1} less to activate for each counter on
it. Activate only as a sorcery.)

Choose one —
• Target permanent gains indestructible and lifelink until end of turn.
• Exile target enchantment with mana value 3 or less.

{T}: Add {C}. If Soaring Observatory entered this turn, add one mana of any color instead.
Tap three differently named untapped Academies you control: Add three mana in any combination of colors.

Flying, lifelink
{2}{W}{W}, Exile Archon of Sunrise from your graveyard: Create a token that's a copy of it, except it's an Aura enchantment with enchant creature and “Enchanted creature gets +4/+4 and has flying and lifelink.” Activate only as a sorcery.

Prevent all combat damage that would be dealt this turn except by creatures you control with +1/+1 counters on them.

Defender
{T}: Scale-Crown Archer deals 1 damage to each opponent.
Prismatic — Whenever you cast a multicolored spell, untap Scale-Crown Archer.

All creatures get -X/-X until end of turn. X can't be 0.
Whenever a creature dies this turn, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Enchant permanent
When Tempted by Lotuses enters, enchanted permanent's owner creates three colorless artifact tokens named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”
You control enchanted permanent.

{3}{G}: Scaled Devestator gets +1/+1 and gains trample until end of turn.

At the beginning of your upkeep, each player discards a card. Then if a player has no cards in hand, you may transform Performer of Ambition.

Return target nonland permanent you control and target nonland permanent you don't control to their owners' hands.

Flying
You may cast black spells with mana value 3 or less by paying life equal to their mana values rather than paying their mana costs.
{B}, Sacrifice another creature: You gain 3 life.

Converge — Each creature gets -X/-X until end of turn, where X is the number of colors of mana spent to cast Enjoy the Silence.

Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard. If that creature would die this turn, exile it instead.
Cycling {B} ({B}, Discard this card: Draw a card.)

Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)
Discard a card: Abominable Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

If a red source you control would deal damage, it deals that much damage plus 1 instead.
I, II — Exile the top card of your library. If it's red or a Mountain, you may play that card this turn.
III — Return target red instant or sorcery card from your graveyard to your hand.

Whenever you attack, create an X/X red Elemental creature token that's tapped and attacking, where X is the number of attacking creatures.
Fleeting {1}{R} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

{T}: Add {C}.
{T}, Sacrifice a creature: Add one mana of any color.

Deathtouch
Menagerie — When Venomfrill Familiar enters, if there are five or more creature types among creatures you control, you may destroy target creature or planeswalker.

Prowess
Whenever you cast a noncreature spell, Noxan Pilgrim gains lifelink until end of turn.

Consume Creation deals 2 damage to any target and you gain 2 life.

At the beginning of your upkeep, Suitor of the Sea deals 1 damage to each player.

Enchant creature with mana value 4 or less
When Cyclic Dream enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Flying, first strike, haste
Whenever Doombringer Dragon attacks, you may sacrifice another creature. If you do, Doombringer Dragon gets +3/+0 until end of turn.

For any number of permanent types, you may exchange control of two target permanents that share that type.