Hazezon Tamar [Legends] Commander Anthology Volume II then sacrifice it unless you

then sacrifice it unless you pay its upkeep cost for each age counter on it

Whenever a land enters the battlefield under your control

At the beginning of the end step

Set: Core Set 2019 Prerelease Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{W}{U}{B} Flash

Hazezon Tamar [Legends] Commander Anthology Volume II then sacrifice it unless youSet: Legends Type: Legendary Creature Human Warrior Rarity: Rare Cost: {4}{R}{G}{W} When Hazezon Tamar enters the battlefield, create X 1 1 Sand Warrior creature tokens that are red, green, and white at the beginning of your next upkeep, where X is the number of lands you control at that time. When Hazezon leaves the battlefield, exile all Sand Warriors.