grade=Borderline
[card]
name=Autumn Willow
abilities=opponentshroud,shroud
auto={G}:-shroud
#Slightly borderline assumption you will never activate this ability to let the opponent target Autumn Willow
text=Shroud -- {G}: Until end of turn, Autumn Willow can be the target of spells and abilities controlled by target player as though it didn't have shroud.
mana={4}{G}{G}
type=Legendary Creature
subtype=Avatar
power=4
toughness=4
[/card]
[card]
name=Drain Life
#can use non black mana
target=creature,player
alias=1156
text=Spend only black mana on X. -- Drain Life deals X damage to target creature or player. You gain life equal to the damage dealt, but not more life than the player's life total before Drain Life dealt damage or the creature's toughness.
mana={X}{1}{B}
type=Sorcery
[/card]
[card]
name=Feral Hydra
type=Creature
subtype=Hydra Beast
mana={X}{G}
power=0
toughness=0
text=Feral Hydra enters the battlefield with X +1/+1 counters on it. -- {3}: Put a +1/+1 counter on Feral Hydra. Any player may play this ability
auto=counter(1/1,X)
auto={3}:counter(1/1)
#Not all player can use ability
[/card]