Originals from Weiss Schwarz (Puyo Puyo is a SEGA IP, these are from a collab with WS):
Face-trading and friendly cards/powers damaging your face won't proc Arle, since you dealt the damage to yourself. Yogg casting Treachery on itself and then firing a Mind Blast will proc Arle since it's then your opponent's minion.
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Originals from Weiss Schwarz (Puyo Puyo is a SEGA IP, these are from a collab with WS):
Face-trading and friendly cards/powers damaging your face won't proc Arle, since you dealt the damage to yourself. Yogg casting Treachery on itself and then firing a Mind Blast will proc Arle since it's then your opponent's minion.
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Yes, each of them gets to Adapt separately.
Next: Fury of Frostmourne as a Lich King boss card (Adventure or Supreme).