Karn, the Great Creator Condition:Excellent Bold Pyromancer deals 3 damage

Bold Pyromancer deals 3 damage to target creature or planeswalker

you may have Ebony Fly become an X/X Insect artifact creature with flying

An opponent chooses a nonland card exiled this way

Sphinx's Revelation

When Mire Triton enters the battlefield

Karn, the Great Creator Condition:Excellent Bold Pyromancer deals 3 damageKarn, the Great Creator Legendary Planeswalker Karn Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand. Set: War of the Spark Promos