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When Solitary Sanctuary enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Whenever you tap an untapped creature an opponent controls, put a +1/+1 counter on target creature you control.
Solitary Sanctuary's last ability will trigger only when an effect instructs you to tap an opponent's creature. It won't trigger if a spell or ability you control instructs an opponent to tap a creature they control. For example, if you control Tangle Wire and an opponent taps an untapped creature they control as part of the resolution of Tangle Wire's triggered ability, Solitary Sanctuary's ability won't trigger.
You may target a creature that is already tapped with Solitary Sanctuary's first ability. If the target creature is already tapped as it resolves, you will still put a stun counter on it.
