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If this card you control is destroyed by a "Harpie" card's effect or your opponent's card effect: Add 1 "Harpie" monster from your Deck to your hand

Because damage remains marked on creatures until the damage is removed as the turn ends, nonlethal damage dealt to a creature you control may become lethal if that creature becomes untapped or if Adept Watershaper leaves the battlefield during that turn

Tough Cookie is a cheap food creation ETB, it can make your foods 4/4s and can be used as a food in a pinch

Note that to actually use the interruptions enabled by this combo you must have a monster in your face-up ED and cards with Spell Counters to return to the hand, so you have to decide from situation to situation whether you benefit from this combo