When dealing with an opponent's active Pokmon, its second attack, Aquamarine, can deal an immense 280 total damage, nearly knocking out most other ex Pokmon
MTG Mechanic Magic cards often combine together in powerful ways, but some cards meld together in a more literal manner, becoming a single permanent represented by two cards
Sure, you get to transfer equipment to Rhux free of charge, but it had to be equipped to something already, so you're probably not getting a huge mana advantage
It is also nice when you dont have a creature to crew or saddle a card but still need to swing in
Its true, you have to return a land to your hand, but this is often irrelevant in the mid to late game