Tumble magnet enters the battlefield with three charge counters on it.
T, Remove a charge counter from Tumble Magnet: Tap target artifact or creature.
Magnetic devices that keep massive golems and structures standing can also be used for the opposite purpose.
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
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KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
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