msem-instigator

Menace
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.)

Double strike

You may exert Accursed Bear as it attacks. When you do, it gets +1/+0 and gains trample until end of turn. (An exerted creature won't untap during your next untap step.)

Non-Human creatures you control get +1/+0.

Your starting life is 24.
{X}, Discard a card: Create a token that's a copy of a creature card with mana value X chosen at random. If X is 11 or greater, choose a creature with mana value X or greater instead. Activate only as a sorcery and only once each turn.

This spell costs {2} less to cast if you've cast both an instant spell and a sorcery spell this turn.
Haste

Choose two —
• Untap target nonland permanent.
• Target creature gets +2/+0 until end of turn.
• Target creature gains hexproof until end of turn.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Draw a card.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Menagerie — If there are five or more creature types among creatures you control, creatures you control get +1/+1 until end of turn.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
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.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (If you exert it, it will still untap for other players.)

Target instant or sorcery spell gains “This spell deals 4 damage to you.”

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
As you choose targets for an instant or sorcery spell, choose up to one additional target.
At the beginning of combat on your turn, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn.

First mate—Your starting deck contains twelve or more creature cards and they all share a creature type. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
As Adam of the Ironside enters, choose a creature type. Adam becomes that type.
Adam gets +1/+1 for each other creature you control of the chosen type.

Revive {3}{G} ({3}{G}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Indestructible
Legendary permanents you control have indestructible.

Whenever a -1/-1 counter is put on a creature, you may create a 1/1 green Elf Druid creature token.

{1}: Choose one. Activate only once each turn.
• Adaptive Servitor gets +1/+1 and gains first strike until end of turn.
• Adaptive Servitor gets +2/+0 and gains trample until end of turn.

{T}, Sacrifice Adaptive Terrains: Search your library for a basic land card and put it onto the battlefield tapped, then shuffle.

{G}: Tap Adaptive Troll. It gains indestructible until end of turn.
At the beginning of each upkeep, if Adaptive Troll was dealt lethal damage last turn, put a counter of your choice on it from among vigilance, deathtouch, reach, trample, and +1/+1.

{T}: Adept Fisherman voyages. (If it isn't blocking or targeted by another spell or ability, it phases out.)
Whenever Adept Fisherman phases in, you gain 2 life.

When Adept of Rations enters, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
Tokens you control have “{2}, {T}, Sacrifice this token: You gain 3 life.”

{T}: Add one mana of any type that a land an opponent controls could produce.

Whenever you cast a Pirate spell, create a 1/1 blue and red Pirate creature token with haste.

Haste
Whenever two or more creatures you control deal combat damage to a player, tap those creatures, then gain control of target creature you don't control until end of turn. Untap that creature. It gains haste until end of turn. After this phase, there's an additional combat phase.