Polluted Delta [Khans of Tarkir] Dragons of Tarkir Prerelease Promos the Su-Chi were inherently unstable

the Su-Chi were inherently unstable but provided useful knowledge for Tocasia's students

having reigned three years

Set: Beta Edition Type: Creature — Elemental Rarity: Uncommon Cost: {3}{R}{R} Fire Elementals are ruthless infernos

Set: Beta Edition Type: Enchantment — Aura Rarity: Rare Cost: {W}{W}{W} Enchant land

Polluted Delta [Khans of Tarkir] Dragons of Tarkir Prerelease Promos the Su-Chi were inherently unstableSet: Khans of Tarkir Type: Land Rarity: Rare {T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle. Where dragons once prevailed, their bones now sink.