The Peregrine Dynamo - [Foil] Dominaria United Commander (DMC) UNF Each player may discard their

Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone

(Tree of Tales isn't a spell

(You may cast this card from your graveyard for its escape cost

) Ziatora's Proving Ground enters the battlefield tapped

The Peregrine Dynamo - [Foil] Dominaria United Commander (DMC) UNF Each player may discard theirHaste {1}, {T}: Copy target activated or triggered ability you control from another legendary source that's not a commander. You may choose new targets for the copy. (Mana abilities can't be targeted.) Jhoira stumbled upon an ally, not just a good source of spare parts.