The easiest way to break down the sheer number of Pokmon cards is to look at the number of sets released in every Pokmon generation
For example, if you use this with Yzma from The First Chapter, you could see the top card on your deck before you use the ability, ensuring it gets added to your hand
Holofoil prices range from $18.00 to $2,000.00
You can only do this on your turn however, but can easily out pace your opponents creatures, especially later in the game
I just realized, this is an Angel Reanimator card, isnt it
That 9-mana cost needs to come down quite significantly, but any reasonable amount of milling should fill your graveyard with permanents very quickly