msem-instigator

Escalate {W}{W} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Create two 1/1 white Spirit creature tokens with flying.
• You gain 6 life.

[+2]: Each player can cast only one more spell until your next turn.
[–3]: Exile all other permanents, then return them to the battlefield tapped under their owner's control. Creatures can't attack you or planeswalkers you control until your next turn.
[–8]: Return all permanent cards from your graveyard to the battlefield tapped.

Exile X target permanents you control. Return them to the battlefield under your control at the beginning of the next end step.
Draw a card.

Archive 5 (As this enters the battlefield, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever a permanent card is put into your graveyard from the battlefield, you may put that card on the bottom of the archived library.

Flying, prowess
Whenever one or more creatures attack, you gain life equal to the greatest power among those creatures.
Whenever you cast a white spell, you may have Heraldry become an Angel creature in addition to its other types or stop being a creature.

This spell costs {W} less to cast if it targets a black or red permanent.
Exile target nonland permanent with mana value 3 or less.

Players can't pay alternative costs to cast spells. (Casting a spell without paying its mana cost is an alternative cost.)

When Strayseeker Ranger enters the battlefield, search your library for a creature card with mana value 2 or less, reveal it, put it into your hand, then shuffle.
Recite {W}{W} (You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters the battlefield or if it would leave the battlefield.)

Whenever Almgrove Ambassador blocks or becomes blocked, you may untap target creature and remove it from combat.

Escalate {U}{U} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Return target permanent to its owner's hand.
• Shuffle any number of cards from your hand into your library, then draw that many cards plus one.

As long as you control an Island, you may cast this spell as a copy of any creature on the battlefield. (This includes casting cost.)

This spell costs {1}{U} less to cast if it targets a red or green spell.
Counter target spell.
Draw a card.

Counter target spell unless its controller pays {1}. If they do, draw a card.

Flash
Flying
When Spectrum Archmage enters the battlefield, 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.)

Escalate—Return another spell you control to its owner's hand. (Pay this cost for each mode chosen beyond the first.)
Choose one or both —
• Draw a card.
• Draw a card.

As an additional cost to cast this spell, exile two permanent cards from your graveyard.
You may cast Adiran Survivors from your graveyard.

Menace
Whenever Algrin's Legacy becomes the target of a spell an opponent controls, that spell's controller loses 5 life unless they discard a card.

Escalate {B}{B} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Destroy target creature.
• Target player draws two cards and loses 2 life.

Other creatures get -1/-1.
Recite {1}{B} (You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters the battlefield or if it would leave the battlefield.)

This spell costs {1}{B} less to cast if it targets a green or white permanent.
Destroy target creature or planeswalker.

Choose target player. Until end of turn, if a spell or ability that player controls would cause them to draw a card, each of their opponents draws a card instead.

If a spell or ability would cause a player to discard one or more cards, that player discards that many cards at random instead.
Whenever a player discards a card, that player loses 2 life.

Archive 5 (As this enters the battlefield, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
You may play the top card of the archived library.
You can't play cards from your hand.

Destroy target nonbasic land.
Abound. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

Whenever a land enters the battlefield, Collapsing Realities deals 2 damage to each player.