one piece prb-01 the best premium booster box is greatest set of all time : r/OnePieceTCGFinance Cards with Character Designs One Piece PRB-01 Japanese Booster

There is also an Irencrag Feat spell that can quickly add an extra 3 red mana to Leyline Tyrant's pool, which practically equates to a free Lightning Bolt

The effect fits the 'power at sacrificing a cost', with you exiling half of your deck for a chance to choose a card from the remaining half-deck

Its a real party

This four-mana enchantment creature is a 6/5 with indestructible, and doesnt actually become a creature unless you have at least five devotion to Red

This makes them closer to a modal or split card, but as befitting the mechanic's name, the creature is not entirely gone and the opponent may have to contend with it later on