Hammer Jammer [Unstable] Tiefling Warlock and if it would die

and if it would die this turn

Set: Outlaws of Thunder Junction Commander Type: Land Rarity: Rare Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest

Set: Mystery Booster Type: Creature — Zombie Jackal Rarity: Common Cost: {2}{W} When Disposal Mummy enters the battlefield

Set: Dominaria United Type: Creature — Elf Warrior Rarity: Common Cost: {G} Whenever another creature enters the battlefield under your control

Hammer Jammer [Unstable] Tiefling Warlock and if it would dieSet: Unstable Type: Creature Goblin Warrior Rarity: Uncommon Cost: {3}{R} As Hammer Jammer enters the battlefield, roll a six sided die. Hammer Jammer enters the battlefield with a number of +1 +1 counters on it equal to the result. Whenever you roll a die, remove all +1 +1 counters from Hammer Jammer, then put a number of +1 +1 counters on it equal to the result.