Magic: The Gathering's Capricious Hellraiser offers decent value to spell-themed decks

sportskeeda.com:

Magic: The Gathering’s spoilers continue to roll out for Phyrexia: All Will Be One, and all of them have been incredibly interesting. Presently, one particular card stands out for spell-themed decks: Capricious Hellraiser. Depending on how many cards are in your graveyard, this can go from a 6-cost creature down to a 3-cost, suddenly making it far more deadly.

Although this card might prove to be difficult to put into decks since it has 3 red in its casting cost, it’s almost certainly going to find a home in Izzet (Blue/Red) or a variety of control-themed, superfriends decks. Despite its restrictive casting cost, Capricious Hellraiser is a fascinating Magic: The Gathering card.

While it has a mana value of 6 (3RRR), it isn’t going to stay that way. If you have 9 cards in your graveyard of any kind, you can play it for 3 colorless mana less. This particular creature is primarily built around the power of your graveyard, so he’s likely going to be included in self-mill or discard decks. That way, you can get him into play early and cheat a potentially powerful card back into play.

It could also be a fun card to use alongside a Gruul (Red/Green) deck to get an overwhelming victory against your opponent. What does the Capricious Hellraiser do in Magic: The Gathering? What makes this card so ideal?

Although its ability is slightly restrictive, if you play it for its full casting cost, you don’t require nine cards in your graveyard. You could then discard/sacrifice specific cards to deal with the situation that you're currently in.

You can also bounce this creature in and out of play repeatedly, provided that you have the right cards. Considering that it has an “ETB” ability, each time it enters play, you get to use this card's