Sin

Flying, Hexproof, Defender
Whenever a player casts a spell, put a +1/+1
counter on Sin.
{t}: Add X mana of any one color, where X is
the number of +1/+1 counters on Sin.
{x}, remove X +1/+1 counters from Sin, then
choose one:
• Sin deals X damage to each other creature
• Each player loses X life