bt16 booster box Digimon Card Game: Beginning Observer (Bt16) (24Ct) As in BT15 Digimon Card Game: Beginning Observer

SDY-014 - Mammoth Graveyard

Theres a little competition from cards like Glare of Heresy and Revoke Existence that often do similar jobs, but I think well find that being an Instant is a lot more valuable than killing the few nonenchantment artifacts that see play and that there are enough nonwhite enchantments that you cant rely on Glare of Heresy to answer enchantments (though Glare of Heresy will keep seeing play, just not in a competing role with Deicide)

That little bit of graveyard filtering can actually be a blessing when paired with cards that trigger upon others leaving the graveyard

Zeraora L - Static Shock 30 If your opponent's Active Pokmon is an Evolution Pokmon, this attack does 30 more damage

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It broke games wide open with a single effect and came exclusively through Shonen Jump Championship prizes