Chalice of the Void enters with X charge counters on it.Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.
: Quicksilver Elemental gains all activated abilities of target creature until end of turn. (If any of the abilities use that creature's name, use this creature's name instead.)You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities.
Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.
Imprint — When Isochron Scepter enters, you may exile an instant card with mana value 2 or less from your hand., : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
, : Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.