#Tested Masticore's upcost ability: What happens if paid?
[INIT]
UPKEEP
[PLAYER1]
inplay:Masticore
hand:Forest
[PLAYER2]
[DO]
Masticore
Forest
next
[ASSERT]
DRAW
[PLAYER1]
inplay:Masticore
graveyard:Forest
[PLAYER2]
[END]