#Lhurgoyf's power is equal to the number of creature cards in all graveyards and its toughness is equal to that number plus 1.
#bug: power and toughness always 0/1
[INIT]
COMBATATTACKERS
[PLAYER1]
inplay:lhurgoyf
graveyard:grizzly bears
[PLAYER2]
graveyard:air elemental
[DO]
lhurgoyf
next
#blockers 
next
#combatdamage
next
#endofcombat
[ASSERT]
COMBATEND
[PLAYER1]
inplay:lhurgoyf
graveyard:grizzly bears
[PLAYER2]
graveyard:air elemental
life:18
[END]