Geyser Glider [Zendikar] Zombie Dog The creatures of Zendikar are

The creatures of Zendikar are opportunists

Set: Guilds of Ravnica Promos Type: Legendary Creature — Elf Cleric Rarity: Rare Cost: {G}{W} Whenever Emmara

But where is the source

Set: Time Spiral Timeshifted Type: Creature — Goblin Rarity: Rare Cost: {3}{R} Whenever Goblin Snowman blocks

Set: Prophecy Type: Enchantment Rarity: Rare Cost: {W} Basic lands each player controls have shroud as long as that player controls three or fewer lands

Geyser Glider [Zendikar] Zombie Dog The creatures of Zendikar areSet: Zendikar Type: Creature Elemental Beast Rarity: Uncommon Cost: {3}{R}{R} Landfall Whenever a land enters the battlefield under your control, Geyser Glider gains flying until end of turn. "Quit pontificating, mage. The last thing we want to do is give it more hot air." Tala Vertan, Makindi shieldmate