Lose 1 Turn [CROS-EN075] Ultra Rare New Hero Set: Speed Duel: Destiny Masters

Set: Speed Duel: Destiny Masters Card type: Equip Spell Rarity: Common The equipped monster gains 500 ATK/DEF

then target 1 other face-up monster on the field

you can also use cards in your Pendulum Zones as Fusion Material(s)

You can only use this effect of "Knightmare Mermaid" once per turn

Lose 1 Turn [CROS-EN075] Ultra Rare New Hero Set: Speed Duel: Destiny MastersSet: Crossed Souls Card type: Continuous Trap Rarity: Ultra Rare Activate only if you currently control no Special Summoned monsters. During the turn a monster is Special Summoned, negate its effects. If an Effect Monster(s) is Special Summoned in Attack Position: Change it to Defense Position.