The Seventh Doctor (Serial Numbered) [Doctor Who] Rebel that spell or ability's controller

that spell or ability's controller sacrifices a land

Birgi's horn never runs dry

Set: Innistrad: Double Feature Type: Sorcery Rarity: Rare Cost: {2}{B} Exile the top thirteen cards of your library

Loyal Attendant

The Seventh Doctor (Serial Numbered) [Doctor Who] Rebel that spell or ability's controllerSet: Doctor Who Type: Legendary Creature Time Lord Doctor Rarity: Rare Cost: {3}{W}{U} Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with "2, Sacrifice this artifact: