Magmasaur

Magmasaur enters with five +1/+1 counters on it.
At the beginning of your upkeep, you may remove a +1/+1 counter from Magmasaur. If you don't, sacrifice Magmasaur and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.

Tempest Remastered

Magmasaur enters the battlefield with five +1/+1 counters on it.
At the beginning of your upkeep, you may remove a +1/+1 counter from Magmasaur. If you don't, sacrifice Magmasaur and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.

Tempest

Magmasaur comes into play with five +1/+1 counters on it.
During your upkeep, remove a +1/+1 counter from Magmasaur, or sacrifice Magmasaur and it deals 1 damage for each +1/+1 counter on it to each creature without flying and each player.