|This card's written lore in the anime was not shown, was too small to read, or was partially or completely obstructed; the lore listed here is a reconstruction based on how it was used, character descriptions of the card, and/or its OCG/TCG lore. It may not be accurate or complete.|
- Japanese: スピード・ブースター
- Romaji: Supīdo Būsutā
Apply these effects while you have more Speed Counters than your opponent:
● During your opponent's turn: You can negate attacks from monsters your opponent controls up to the difference in Speed Counters.
● During your turn: Once per turn, you can inflict damage to your opponent equal to the difference in Speed Counters x 100.
Anime cards (Galleries: 5D's)
- Limited activations