Rakshara, Hulking Thunder

Indestructible, flying, deathtouch, trample.
Rakshara, Hulking Thunder enters the
battlefield with X +1/+1 counters.
When Rakshara, Hulking Thunder deals
combat damage to a player, you may remove
all but one +1/+1 counters, if you do, Rakshara,
Hulking Thunder deals 10 damage to target
player. At the end of combat, sacrifice Rakshara,
Hulking Thunder.