Hall of Gemstone [Mirage] Penny Set: Return to Ravnica Type:

Set: Return to Ravnica Type: Instant Rarity: Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

Set: Arabian Nights Type: Creature — Turtle Rarity: Common Cost: {1}{U} Giant Tortoise gets +0/+3 as long as it's untapped

Set: Legends Type: Creature — Horror Rarity: Rare Cost: {3}{B}{B}{B} First strike

The Izzet specialize in unnatural disaster

Hall of Gemstone [Mirage] Penny Set: Return to Ravnica Type:Set: Mirage Type: World Enchantment Rarity: Rare Cost: {1}{G}{G} At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.