The Watcher in the Water (ES) cns {1}: Choose one that hasn't

{1}: Choose one that hasn't been chosen this turn —

Domain — {3}{G}: Until end of turn

it deals 2 damage to target creature an opponent controls

When Trial of Ambition enters

The Watcher in the Water (ES) cns {1}: Choose one that hasn'tThe Watcher in the Water enters the battlefield tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you draw a card during an opponent's turn, create a 1 1 blue Tentacle creature token. Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.