The new Mother of Runes was expected to have an impact on Standard, and it has in various white aggro decks, but it has also taken off in Pioneer where Mono-White Humans and Bogles style auras decks play it as a protection spell
Additionally, mana dorks don't work if this card is out
Some of the decks Ill talk about can compete with Felidar Guardian or Treasure Cruise, and some probably cant, but thats not a huge concern to me
There's no direct drawback for you, and lots of upside once you hit delirium
Card Set(s) -THE TIME OF BATTLE- [OP-16] CARD VIEW OP16-046 | C | CHARACTER Jinbe Attribute Strike Block icon 5 Type Fish-Man/Impel Down/The Sun Pirates Card Set(s) -THE TIME OF BATTLE- [OP-16] CARD VIEW OP16-047 | C | CHARACTER Donquixote Doflamingo Attribute Special Block icon 5 Type Impel Down/Donquixote Pirates Effect [Activate: Main] You may rest this Character: If your opponent has 8 or more cards in their hand, they place 2 cards from their hand at the bottom of their deck in any order
Some of those card bundles are sporadically in stock on the Secret Lair website, but that wont last forever