Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When this creature enters, you may pay {X}. If you do, target creature gets +X/+0 until end of turn.
When this creature enters, sacrifice it unless {B} was spent to cast it.
Mana cost
1
R
Mana value
2
Printings
From
$0.17
EDHREC rank
#30267
Buy
Formats
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Rulings
1 May 2006
You choose the value of X as Squealing Devil's ability resolves. X can be 0.
1 May 2006
For this creature to not be sacrificed, {B} must have been spent on the {1}{R} mana cost. It doesn't matter if {B} is spent on {X}.
1 May 2006
If this enters in a way other than announcing it as a spell, then the appropriate mana can't have been paid, and you'll have to sacrifice it.