Tezzeret the Seeker [Duel Decks: Elspeth vs. Tezzeret] Khans of Tarkir Set: Unglued Type: Basic Land

Set: Unglued Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

or triggered ability

the dwarven forces had reduced the mighty walls to mere rubble

Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {1}{U} Take an extra turn after this one

Tezzeret the Seeker [Duel Decks: Elspeth vs. Tezzeret] Khans of Tarkir Set: Unglued Type: Basic LandSet: Duel Decks: Elspeth vs. Tezzeret Type: Legendary Planeswalker Tezzeret Rarity: Mythic Cost: {3}{U}{U} +1: Untap up to two target artifacts. X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. 5: Artifacts you control become artifact creatures with base power and toughness 5 5 until end of turn.