Hazezon Tamar [Legends] Commander Anthology Volume II Whenever a land enters the

Whenever a land enters the battlefield under your control

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

discard it

defending player sacrifices four permanents

You may play it this turn

Hazezon Tamar [Legends] Commander Anthology Volume II Whenever a land enters theSet: 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.