msem-instigator

At the beginning of your upkeep, if five or more instant and/or sorcery cards are in your graveyard, return target instant or sorcery card at random from your graveyard to your hand.

Multipurpose Mannequin gets +1/+1 for each permanent attached to it.

You may change any targets of target spell that targets you or a permanent you control. If you don't, counter that spell.

Dominik's Shack enters tapped.
When Dominik's Shack enters, you may mill two cards.
{T}: Add {B} or {G}.

Other untapped creatures you control have indestructible.
{2}{G}{W}: Target creature gains vigilance until end of turn.

Angel spells you cast cost {1} less to cast.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Return up to two target creatures an opponent controls to their owner's hand.
3 | That player puts one card from their hand on top of their library, and another on the bottom.

As Mind-Mute enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.
{5}: Return Mind-Mute to its owner's hand.

{T}: Target land you control becomes the basic land type of your choice until end of turn.
At the beginning of each end step, if you spent three or more colors of mana to cast spells this turn, surveil 1.

Flash
Flying
When Spectrum Archmage enters, return target spell to its owner's hand, then abound. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

When Lafterii Augur enters, reveal the top card of your library. If it's an instant or sorcery card, put it into your hand. Otherwise, put it into your graveyard.

At the beginning of each other player's upkeep, draw a card, then discard a card unless you have Am'atambi, Fable Weaver deal 3 damage to you.
You may reveal creature cards as you draw them. Once each turn, when you reveal a creature card this way, you may pay {3}. If you do, create a token that's a copy of it, except it's 3/3.

Rustshell Crustacean gets +1/+1 for each artifact you control.
Whenever Rustshell Crustacean attacks, choose one —
• Search your library for an Equipment card, reveal it, and put it into your hand, then shuffle.
• Create a Treasure token.

Untap target creature. It gets +2/+2 and gains hexproof until end of turn.

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.

{T}: Add one mana of any color.
{W}{U}{B}{R}{G}, {T}, Exile Feather of the Simurgh: Exile a white enchantment card, a blue instant card, a black battle card, a red sorcery card, and a green creature card from your graveyard. If you exiled five cards this way, cast any number of them without paying their mana costs.

Cresting Bay enters tapped unless you control a basic Island.
{T}: Add {U}.
{2}{U}{U}: Until end of turn, Cresting Bay becomes a 3/3 blue Elemental creature with “Whenever this creature attacks, you may draw a card then discard a card.” It's still a land.

Destroy target creature. Mill two cards.

Put a +1/+1 counter on target creature. It gains first strike until end of turn. You gain 2 life.

Discard your hand. Draw a card for each artifact you control, then add {U} for each artifact you control. Exile Taste Brilliance.

At the beginning of your upkeep, you may pay {1}{G/U}. If you do, proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)
At the beginning of your end step, you may pay {1}{G/U}. If you do, populate. (Create a token that's a copy of a creature token you control.)

Trample
Frontier Hoof gets +1/+1 for each other Centaur you control.

Flying, menace
When Dreadfire Tyrant enters, target opponent reveals their hand. You may put a creature or planeswalker card from it onto the battlefield under your control. That permanent gains haste and “At the beginning of your end step, sacrifice a permanent you control.”
When Dreadfire Tyrant dies, each opponent loses 5 life. You gain life equal to the life lost this way.

({T}: Add {W} or {U}.)
Bustling Harbor enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Vigilance, menace, trample, haste
Whenever you cast a spell, you may have Thunderous Avarice consume. If you do, put a +1/+1 counter on it. (To consume, sacrifice another creature or exile a creature card from your graveyard.)
Whenever an opponent casts a spell, they may have Thunderous Avarice consume. If they don't, put a +1/+1 counter on it.