Phone Booth

Equip {1} target any creature
When equipped creature has Phone Booth, during attack phase if this creature is blocking or attacking both go into a phonebooth (while inside both creatures roll a D20 and add that number to their power and toughness, then fight, the winner gets a +1/+1 counter.)
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•Only one attacker and defender can be in the phone booth
•At the end of phonebooth the winner heals but loses the gained D20 benefits
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If the attacker wins it still deals damage to