op10 one piece card game TCG [OP-10] Royal Blood Booster Box (Japanese) – Piece Includes a Variety of Powerful Characters Ended]OP-10 Release Event − EVENTS｜ONE

BPhillipYork : Basically a mana battery, which is fine

If you do, reveal cards from the top of your library until you reveal a nonlegendary creature card with lesser mana value, put it onto the battlefield, then put the rest on the bottom of your library in a random order

Update: I may have misguided you with my explanation, so here it goes in different words

Whether you sacrifice actual Food Tokens or your other creatures to gain life, or when the creatures die due to any other means, Ygra grows by two points for both power and toughness each time, making her so much larger, so much faster

Commander is the most popular format and this set has unique cards and highly sought reprints