Barrenton Medic #4
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$0.22
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Card Details
: Prevent the next 1 damage that would be dealt to any target this turn.
Put a -1/-1 counter on this creature: Untap this creature.
“His dreams are filled with noxious powders and clinking vials.”
0/4
Illustrated by Trevor Hairsine
Rulings (1)
May 1, 2008
You put the -1/-1 counter on Barrenton Medic as a cost. That means it happens when you activate the ability, not when it resolves. If paying the cost causes the creature to have 0 toughness, it's put into the graveyard before you can untap it and before you can even pay the cost again.