Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.Flashback
Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs.
When Detention Sphere enters, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.
Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)
Escalate (Pay this cost for each mode chosen beyond the first.)Choose one or more —• Target player discards all the cards in their hand, then draws that many cards.• Collective Defiance deals 4 damage to target creature.• Collective Defiance deals 3 damage to target opponent or planeswalker.
Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)
