msem-instigator

Hexproof
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever you or a creature you control become the target of a spell or ability an opponent controls, that opponent gets a spite counter.

At the beginning of your end step, if you own a card in exile, create a 1/1 white Spirit creature token with flying.

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Mercenary Coercer deals combat damage to a player, that player discards a card.

When Feathered Dancer enters, up to three target creatures can't block this turn.

At the beginning of combat on your turn, you may attach any number of Equipment you control to target creature you control.

Search your library for up to two basic land cards and put them onto the battlefield tapped, then shuffle.
Fuse (You may cast one or both halves of this card from your hand.)

Return target creature to its owner's hand. If it's tapped, you may put it into its owner's library second from the top instead.

Counter target spell.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, that spell's controller reveals their hand. You may exile a nonland card from that player's hand. If you do, that player draws a card.

Return target creature card from your graveyard to the battlefield. If it's your combat phase, that creature enters tapped and attacking.

Menace
Whenever a creature dies, you gain life equal to its power.
Reappropriate: Put a +1/+1 counter on The Cannibals of Kallio Hill, then lose life equal to its power. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)

{T}: Add {C}.
{1}, {T}: Add {U}{B}.

For each creature token you control, create a token that's a copy of that creature.

As an additional cost to cast this spell, discard a card or pay {2}.

Whenever another enchantment you control enters, you may put a progress counter on Corporate War.
[progress 2-5] {W}{B}, Sacrifice a creature or enchantment: Destroy target creature or enchantment.
[progress 6+] Sacrifice a creature or enchantment: Destroy target permanent.
Sacrifice a creature or enchantment: Destroy target permanent.

Flash
When Seabreen Nullmage enters, counter target activated or triggered ability. (A triggered ability uses the words “when,” “whenever,” or “at”. Mana abilities can't be targeted.)

[+1]: Up to two target creatures you control each get +1/+0 and gain first strike until end of turn.
[0]: You may sacrifice a creature. If you do, Shala Na, Urshadi Apostate deals 3 damage to any target.
[–3]: Discard your hand, then draw three cards.

Enchant creature
When Sticky Fingers enters, draw a card.
Enchanted creature gets +2/+0 and can't be blocked.

Grizzled Den enters tapped.
{T}: Add {R} or {G}.
{3}{R}{G}: Until end of turn, Grizzled Den becomes a Bear creature with trample in addition to its other types.
Scavenge {4}{R}{G}

At the beginning of combat on your turn, if you control a creature with power 4 or greater, put a +1/+1 counter on Wilderkin Zealot.
{R}{G}: Target creature gains trample until end of turn.

Return target creature card from your graveyard to the battlefield.
Reconstruct {4}{B}{B}{B} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

When this creature enters, return a creature you control to its owner's hand.
{2}{U}: This creature gets +2/-2 until end of turn.

Haste
Whenever one or more creatures attack, you may discard a card. If you do, draw a card.

Look at the top three cards of your library. Put two of them into your hand and the rest into your graveyard. You lose 2 life.

{T}: Add {C}.
{T}: Add {C} for each six cards in your graveyard.