one piece eb01 booster box Memorial Collection (EB-01) - Japanese 01 booster packs One Piece Memorial Collection (EB-01)

Otherwise, if you would be looking for a Starter Deck to play immediately, the Sapphire Steel option might be a little better

View card details Ashiok's Erasure Not buying right now THB #304 rare This exact printing is not on our current buylist

Ghostly Keybearer Rarity: Uncommon TYPE: Creature SUBTYPE: Spirit CMC: 4 Mana cost: USD: $0.24 EUR: 0.08 TIX: 0.03 EDHREC RANK: 13053 (3/3) Flying Whenever this creature deals combat damage to a player, unlock a locked door of up to one target Room you control

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If the right deck comes around where you do have access to Colorless mana, this might be worth a shot, but it's probably still going to be somewhat low impact most of the time