Hazezon Tamar [MTGO Promo]
At the beginning of your upkeep, if Hazezon Tamar comes into play since the beginning of the last upkeep, put a 1/1 red, green, and white Sand Warrior creature token into play for each land you control. Those creatures have "When a permanent named Hazezon Tamar isn't in play, remove this creature from the game."