Name:Unstable Glyphbridge
ManaCost:3 W W
Types:Artifact
T:Mode$ ChangesZone | ValidCard$ Card.Self+wasCastByYou | Destination$ Battlefield | Execute$ TrigRepeat | TriggerDescription$ When CARDNAME enters, if you cast it, for each player, choose a creature with power 2 or less that player controls. Then destroy all creatures except creatures chosen this way.
SVar:TrigRepeat:DB$ RepeatEach | RepeatPlayers$ Player | RepeatSubAbility$ DBChoose | SubAbility$ DBDestroyAll
SVar:DBChoose:DB$ ChooseCard | Choices$ Creature.RememberedPlayerCtrl+powerLE2 | Mandatory$ True | ChoiceTitle$ Choose a creature card with power 2 or less | ImprintChosen$ True
SVar:DBDestroyAll:DB$ DestroyAll | ValidCards$ Creature.IsNotImprinted | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearImprinted$ True
K:Craft:3 W W ExileCtrlOrGrave<1/Artifact.Other>
DeckHints:Ability$Discard|Mill|Sacrifice
DeckHas:Ability$Mill|Graveyard|Token
AlternateMode:DoubleFaced
Oracle:When Unstable Glyphbridge enters, if you cast it, for each player, choose a creature with power 2 or less that player controls. Then destroy all creatures except creatures chosen this way.\nCraft with artifact {3}{W}{W} ({3}{W}{W}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

ALTERNATE

Name:Sandswirl Wanderglyph
ManaCost:no cost
Colors:white
Types:Artifact Creature Golem
PT:5/3
K:Flying
T:Mode$ SpellCast | ValidCard$ Card | ValidActivatingPlayer$ Player.Opponent+Active | TriggerZones$ Battlefield | Execute$ TrigEffect | TriggerDescription$ Whenever an opponent casts a spell during their turn, they can't attack you or planeswalkers you control this turn.
SVar:TrigEffect:DB$ Effect | EffectOwner$ TriggeredActivator | StaticAbilities$ STCantAttack | RememberObjects$ You
SVar:STCantAttack:Mode$ CantAttack | ValidCard$ Creature.YouCtrl | Target$ Player.IsRemembered,Planeswalker.ControlledBy Remembered | Description$ You can't attack that player or planeswalkers they control this turn.
S:Mode$ CantBeCast | Caster$ Player.Opponent+attackedYouTheirCurrentTurn,Player.Opponent+attackedYouCtrlTheirCurrentTurn_Planeswalker | Description$ Each opponent who attacked you or a planeswalker you control this turn can't cast spells.
Oracle:Flying\nWhenever an opponent casts a spell during their turn, they can't attack you or planeswalkers you control this turn.\nEach opponent who attacked you or a planeswalker you control this turn can't cast spells.
