Flexibility matters, and Boseiju (along with the other channel lands in the set) is a master of flexibility while not sacrificing any of the efficiency that you get with other options
Tokens, cards that aren't meld cards, or meld cards that don't form a meld pair can't be melded
Once per turn, during either player's turn, after damage calculation, when this card battle an opponent's monster, you can reveal 1 Spirit monster on your hand, then target 1 card on the field: Return that target to it's owner's deck
Cubone #60 (Pokemon Triumphant | Pokemon Cards) prices are based on the historic sales
Both seem like they're designed as MTG commanders, but while Rakdos is doing his Standard sacrifice shenanigans, Aurelia gets you bonuses when everyone swings with a bunch of creatures