msem-instigator

Target player gains X life.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Regenerate target creature. (The next time that permanent would be destroyed this turn, it isn't. Instead tap it.)

First strike (This creature deals combat damage before creatures without first strike.)

Look at the top seven cards of your library. Put two of them into your hand and the rest into your graveyard.

Tribute 3 (As this creature enters, an opponent of your choice may put three +1/+1 counters on it.)
When Atuum Serpent enters, if tribute was paid, it gains defender. (This effect lasts indefinitely.)

Crocodile creatures you control get +1/+1.
Avatar of Senmut and Crocodile creatures you control can't be blocked as long as you control four or more Islands.

Creatures you control have “{T}: Add {C}.”
Mirage {1}{U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Prevent all combat damage that would be dealt to and dealt by creatures this turn.

Enchant creature
Enchanted creature gets -6/-0.
Mirage {1}{U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

{T}: Add {C}.
Whenever Cunning Chanter becomes tapped, each opponent mills a card.

Counter target spell.
At the beginning of your upkeep, if you control three or more creatures with flying, you may return Divine Denial from your graveyard to your hand.

Whenever you cast a spell during an opponent's turn, creatures you control get +0/+1 until end of turn.

Scry 5.

Whenever you cast a spell during an opponent's turn, put a charge counter on Gift of the Sphinx.
At the beginning of your upkeep, draw a card for each charge counter on Gift of the Sphinx.

Untap up to two target lands you control. Those lands become the basic land type of your choice until end of turn.
Draw a card.

Creatures with power less than Pharaoh Guardian's power can't block it.

Enchant creature
Enchanted creature gets +0/+1 and has hexproof.
Mirage {U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Sandborn Mage enters, you may return target instant or sorcery card from your graveyard to your hand.
Mirage {2}{U}{U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

When Scaled Lurker enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Spell you cast cost {1} less to cast as long as it's not your turn.

Choose target spell. Scry 3, then reveal the top card of your library. Counter the chosen spell unless its controller pays {X}, where X is that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying
When Sphinx of Riddles enters, secretly choose a card name. You may reveal the chosen name any time.
Whenever a spell an opponent controls with the chosen name resolves, you may draw two cards.

Return target creature to its owner's hand.
Draw a card.