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Doomsday Clock

Name: Doomsday Clock (BT17-100)
SKU: BT17-100

BT17-100BT17 · ▹BOOSTER SECRET CRISIS [BT-17]U

ColorBlackPlay cost3Option

Market price

Market

$0.20

Low

$0.05

High

$1.59

Updated daily

Aug 6, 2026

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Used in combos

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Effects

Printed text

Effect

[Security] Add this card to the hand. [Main] Play 1 [Diaboromon] Token without paying the cost. (Digimon/Cost 14/Lv.6/White/Mega/Unknown/Unidentified/3000 DP) Then, place this card as the bottom digivolution card of 1 of your Digimon with [Diaboromon] in its name without [Doomsday Clock] in its digivolution cards. [Start of Your Turn] If 4 [Doomsday Clock]s are placed in your battle area, you win the game.

Inherited effect

[All Turns] When this Digimon would leave the battle area by an opponent's effect, by deleting 1 of your other [Diaboromon], prevent it from leaving. [End of Opponent's Turn] Place 1 [Doomsday Clock] from this Digimon's digivolution cards in the battle area.

Official rulings · 4

Bandai Q&A for BT17-100

Last ruled Sep 6, 2024

Can I use this card's ＜Main Timing＞ effect to place this card in the digivolution cards of a [Diaboromon] Token that was played by this effect?

No, you can't. Cards can't be placed under tokens.

Ruled Sep 6, 2024

What does "you win the game" in this card's ＜Start Your Turn＞ effect mean, exactly?

When this effect activates, the player that activated the effect wins the game.

Ruled Sep 6, 2024

What does this card's "when [...] would leave the battle area" mean, exactly?

"When [...] would leave the battle area" refers to when that Digimon is placed in the trash, returned to the hand/deck, placed in the security stack, moved to the breeding area, or placed under another card.

Ruled Sep 6, 2024

Can I use the ＜End Opp Turn＞ effect in this card's inherited effects to place this card itself in the battle area when this card is in a Digimon's digivolution cards?

Yes, you can.

Ruled Sep 6, 2024

Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.

Previous in setAwakening of the Sun (BT17-099)Next in setFenriloogamon: Takemikazuchi (BT17-101)

Printed text

Effect

Inherited effect