Coach King Giantrainer (Quarter Century Secret Rare) (MP24-EN034) - 25th Anniversary Tin: Dueling Mirrors 1st Edition

3 Level 8 monsters
You can detach 1 material from this card; draw 1 card and reveal it, then if it was a monster, inflict 800 damage to your opponent. You cannot conduct your Battle Phase the turn you activate this effect. You can only use this effect of "Coach King Giantrainer" up to thrice per turn.