Gakuto’s ace monster is revealed!
RD/KP01-JP029 魔将ヤメルーラ Mashou Yameruler / Fiendish Commander Yameruler
Level 8 DARK Warrior Effect Monster
Requirement: If this card was Normal Summoned this turn, you can activate this effect by changing this card’s battle position (from face-up Attack Position to face-up Defense Position, or from face-up Defense Position to face-up Attack Position.)
Effect: Until your opponent’s next End Phase, neither player can Tribute Summon Level 7 or higher monsters while this card is face-up.