royal blood one piece booster box TCG: (OP-10) — Game Haven led by Donquixote Doflamingo One Piece Royal Blood Booster

Spellbook is like Reliquary Tower in that it costs literally no mana to play, plus it is fetchable like Library of Leng with Trinket Mage

Two mana is a bargain with the drawback being fairly inconsequential and offers blue the chance of a big cheap guy, something it otherwise fails at

Any Jace that has not used an ability yet can start proliferating

This has given rise to multiple of the best cards the game has to offer, like Force of Will, Force of Negation, the Evoke Elementals and more

Id be really bullish about this card right now if I didnt think there was a reasonable shot that itll show up again in Masters 25

Valakut Exploration is a lands-matter enchantment spell that's also a source of impulse draw