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{T}, Exile this artifact: Add {U}. When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
Flying, haste When this creature enters, you get {E}{E} (two energy counters). Then you may pay one or more {E}. When you do, this creature deals that much damage to...
Trample, ward {2} At the beginning of your upkeep, you get an amount of {E} (energy counters) equal to this creature's power. Then you may pay one or more {E}....
'Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying.
'Whenever a creature enters, its controller sacrifices a creature or land of their choice.
'Choose one —
• Tap all Spirits.
• Tap all non-Spirit creatures.
'Revolt — As long as a permanent left the battlefield under your control this turn, if a source you control would deal noncombat damage to an opponent or a permanent...
'Return target permanent you control and target permanent you don't control to their owners' hands.
As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty...
'Return up to X target creatures to their owners' hands, where X is one plus the number of cards named Aether Burst in all graveyards as you cast this spell.
'Return target permanent you control and target permanent you don't control to their owners' hands.
'Defender; reach (This creature can block creatures with flying.)
Whenever this creature blocks a creature, return that creature to its owner's hand at end of combat.