Skull Meister [SDPL-EN013] Common Skill if you control no monsters:

if you control no monsters: You can Special Summon "Timelord" monsters each from your hand

” from your hand

Gains ATK/DEF equal to the number of different Attributes in the GYs x 500

Set: Duel Power Card type: Effect Monster Rarity: Ultra Rare Attack: 300 Defense: 1800 If you Ritual Summon exactly 1 "Nekroz" Ritual Monster with a card effect that requires use of monsters

while this monster is on the field (except during the Damage Step): You can target 1 card on the field

Skull Meister [SDPL-EN013] Common Skill if you control no monsters:Set: Structure Deck: Powercode Link Card type: Effect Monster Rarity: Common Attack: 1700 Defense: 400 When a card effect is activated in your opponent's GY (Quick Effect): You can send this card from your hand to the GY; negate that effect.