This spell can't be countered.
Bloodthirst X (This creature enters the battlefield with X +1/+1 counters on it, where X is the damage dealt to your opponents this turn.)Protection from instants (A permanent or player with protection can't be targeted, enchanted, equipped, fortified, damaged or blocked by sources of the given property.)
The information presented on this site about Magic: The Gathering, both literal and graphical, is copyrighted by Wizards of the Coast.
This website is not produced, endorsed, supported, or affiliated with Wizards of the Coast.