It is value and empowerment, it is a support card not a payoff really and so it needs to be cheaper than four mana
These cards shine in any deck or collection and will be monumental in leading your Grand Alliance to victory
Hydras are the perfect tribe to do this with, as their flexible casting costs means you can always adjust your newest creature to be stronger than the last one you cast, triggering Selvala and drawing you an extra card
Cast Pull from Tomorrow with X being your deck, if Thassa's Oracle is still in the deck
7 Rockets Mewtwo (Winner): Best Of Promos (Promo) $232.30 Win Or Go Home We start things off with the most unusual Rocket's card on the list, a promo card that features reprinted artwork of Mewtwo that was also used in the Gym Challenge set
Its hard to oversell that kind of power, and while its not at its best in a Demon tribal deck, its still very hard to argue with