TitanBoa

Flash
When Titanboa comes into play, it fights target
creature an opponent controls
{1}{b}{g}: Tap target creature. That creatures
does it's controller damage equal to its toughness
unless the player sacrifices it. The creatures does
not untap during the next untap phase.
Well, I guess that;'s one reason the Dinosaurs
might avoid this Jungle." - Impressed Pirate.