Flying When this creature enters, for each permanent type, create a token that's a copy of up to one target non-Error permanent you control of that type.
Target nonland permanent's owner puts it on the bottom of their library or just beneath the top X cards of their library, where X is the number of Memories you control.
Creatures your opponents control get -1/-0. Whenever this creature attacks, defending player mills a number of cards equal to 0 minus its power. At the beginning of your end step, gain control of target creature with power 0 or less.
Flying When this creature enters, for each player, choose up to one other target nonland permanent that player controls. That player caches that permanent.
{T}, Discard a card: Create a blue Subroutine enchantment token named READ with “Whenever this Subroutine runs, draw a card.” Activate only as a sorcery.
Flash Flying When this creature enters, exile target spell or nonland permanent. For as long as that card remains exiled, its owner may cast it by paying {3} rather than its mana cost.
Level up {1}{R} [level 1-2] Whenever this creature deals combat damage to a player, target Subroutine you control runs. [level 3+] Whenever this creature deals combat damage to a player, target Subroutine you control runs twice.
A wave of static and pain washed over the isle. In its wake, the sky fizzled and blinked out. Textured fabric faded, revealing the bare polygons beneath. All over the Weft, lights were going out.
When this creature enters, mill four cards. You may return a noncreature, nonland card milled this way to your hand. {1}{W}: This creature gets +1/+0 and gains first strike until end of turn.
Whenever this Subroutine runs, exile up to one other target creature or Subroutine. Return that card to the battlefield under its owner's control at the beginning of the next end step.