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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 counters on The Aetherspark.”

[+1]: Attach The Aetherspark to up to one target creature you control. Put a +1/+1 counter on that creature.

[-5]: Draw two cards.

[-10]: Add ten mana of any one color.