msem-instigator

Exile any number of nonland permanents you control. Return them to the battlefield at the beginning of the next end step.
Reconstruct {7}{U} (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.)

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Scry 2, then draw two cards. If you're in a renaissance, instead scry 2, then draw three cards.

Choose one —
• Return target creature to its owner's hand unless that player pays {1}.
• Counter target noncreature spell unless its controller pays {1}.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you scry or search your library, add a quest counter.
Target creature you don't control gets -3/-0 until your next turn.
Reveal cards from the top of your library until you reveal a nonland card, then put the revealed cards into your hand.
Reveal the top card of your library. If its mana value is less than or equal to the number of cards in your hand, you may cast it without paying its mana cost.

Equipped creature gets +1/+1.
Whenever equipped creature attacks, tap up to one target creature.
Equip {1}

Pressure—{2}{U}{U}, Discard your hand. (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Reveal the top seven cards of your library. Put any number of noncreature, nonland cards from among them into your hand and the rest into your graveyard.

Return up to two target creatures to their owners' hands.

Return all nonland permanents to their owners' hands. Each player shuffles their graveyard into their library. Exile Turn Back Time.

Each player chooses three permanents they control, then returns the others to their owners' hands. Each player loses all unspent mana.
Exile Turn the Record Over.

Until end of turn, target creature loses all abilities and has base power and toughness 1/1. If it's attacking, counter all triggered abilities from that source.

Flash
Enchant artifact or creature
Enchanted permanent is an artifact with “{T}: Draw a card, then discard a card” and loses all other card types and abilities.

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.

Choose one —
• Target creature gets +0/+3 until end of turn.
• Exile target creature you control. For as long as it remains exiled, you may cast it, and it costs {2} less to cast.

Choose one —
• Scry 3. Draw a card.
• Fateseal 3. That player draws a card. (To fateseal 3, look at the top three cards of an opponent's library, then put any number of them on the bottom of that player's library and the rest on top in any order.)

Create two 1/1 blue Bird creature tokens with flying and “When this creature dies, draw a card.”

Target creature gets -5/-0 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Choose one —
• Counter target spell unless its controller pays {2}.
• Tap target creature. It doesn't untap during its controller's next untap step.

Enchant creature
Enchanted creature can't be blocked.
{1}{G}: Enchanted creature gets +1/+1 and gains hexproof until end of turn.

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.

Up to two target creatures each get -3/-0 until end of turn. Tap those creatures. They don't untap during their controller's next untap step.

Creatures your opponents control get -2/-0 until end of turn.
Draw a card.

Target creature can't be blocked this turn.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

Look at the top two cards of your library. Put one of them into your hand, then you may have any number of players each mill three cards.

If you've scried this turn, this spell costs {2} less to cast and can't be countered.
Draw two cards.

Whenever a creature you control dies, you may return all cards that were inscribed onto that creature and all Auras that were attached to that creature to their owners' hands.