Pot of Acquisitiveness X SPELL Quick-Play Target 3 banished monsters
It largely comes down to the deck you're playing and how useful those cards are in the current meta, but there's almost certainly going to be a home for this in the format
They will not overwrite effects that modify power or toughness without setting it (whether from a static ability, counters, or a resolved spell or ability), nor will they overwrite effects that set power and toughness which come into existence after they resolve
Gameplay follows the "Perfect Rule" system where the player and each character has a Deck Leader that they use to summon monsters, Spell and Traps cards, and represents their Life Points
50 hp basic Pokmon usually has no chanse against these Basic EX Pokmon either
What isnt guesswork, however, is that Shrouded Fable does have some nice promo products (such as the Kingdra EX box), as well as some decent ETBs