Level V: Burning Pits

Roll 1d10
1-3 - Do nothing
4 - Put a 3/4 token on the battlefield (+4)
5 - Play a 2/2 token (+2) & roll Level III
6 - Destroy best creature, enchantment or artifact
7 - Put a 4/4 token on the battlefield (+1)
8 - Destroy all lands or play a 4/1 token (+3)
9 - Sacrifice best creature or roll Encounter (+1)
10 - Roll an Encounter (+2)
Roll under 6: Advance to Level VI