Untap, upkeep, Draw, Done.
Oversoul: 3
Hand: 1
Library: 44
In Play:
-(T, T, T, T) Island x4 (Train's favorite card)
-(U, U) Underground Sea x2 (U/B dual land)
-(T) Grim Monolith (Doesn't untap as normal; T: 3; 4: Untap)
-(U; 35/35) Mistform Ultimus (16 counters, first strike, is every creature...