Delete [Doctor Who] Artificer Stone Seer enters the battlefield

Stone Seer enters the battlefield

Set: Doctor Who Type: Legendary Creature — Human Rarity: Rare Cost: {3}{R} Whenever you cast an instant or sorcery spell that targets only Bill Potts or activate an ability that targets only Bill Potts

"According to accepted theory

Roll a d20 and add the greatest power among creatures you control

Set: Mystery Booster Type: Instant Rarity: Common Cost: {1}{U} Untap target creature

Delete [Doctor Who] Artificer Stone Seer enters the battlefieldSet: Doctor Who Type: Sorcery Rarity: Rare Cost: {X}{R}{R} Delete deals X damage to each nonartifact creature and each player. You will be deleted.