You cannot Normal Summon or Set. During the End Phase of the turn that a "B.E.S." monster or a "Big Core" is destroyed and sent to the Graveyard, you can Special Summon 1 "B.E.S." monster or 1 "Big Core" from your Deck.
| Printing | Rarity | 1st Edition | Unlimited | Actions |
|---|---|---|---|---|
DR04-EN107Dark Revelation Volume 4 | C | 1st | Unl. | |
EEN-EN047Elemental Energy | C | 1st | Unl. | |
OP30-EN017OTS Tournament Pack 30 | C | 1st | Unl. |
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