This card adds another useful piece to the puzzle, functioning as yet another Amulet effect, or more accurately, a Spelunking variant, that you can tutor for with Summoners Pact or Green Suns Zenith
From the cute creatures, adventures with friends, and the epic battles our kids want to become Pokemon trainers
At the end of the Damage Step, if this card battled a monster: Change that monster's ATK to 0, also, if that monster is still face-up on the field, Special Summon 1 "Dark Soul Token" (Zombie/DARK/Level ?/ATK ?/DEF 0) with the same Level/ATK as the original Level/ATK of that monster
According to EDHREC, this card sees play in over 109,000 Commander decks, which is hardly surprising given the formats love for tutors
There are still more things to be aware of with the card, though