yugioh gagaga cards Head ZEXAL Manga Promos | Yu-Gi-Oh! it gains 500 ATK until the end of this turn. YuGiOh Gagaga Girl - YS13-EN010

You can only use each effect of "Ninjitsu Art Notebook of Mystery" once per turn.

Unfortunately the ability can only be activated on your turn, but with the aggressive leanings of this commander I think you want to be going for the acorns anyway

Enchantment Mystic Remora Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays

Now that the cards are out in the wild, however, some Wanted Poster cards are actually selling for more than their regular counterparts

Early examples of this include Auriok Steelshaper and Lovisa Coldeyes