Murasakibara, The Aegis

Trample, Defender
Murasakibara can block any number of creatures, and gets a +0/+1 counter for each creature he blocks.
{b}{b}{u}: put 2 -0/-1 counters on Murasakibara; he loses defender, gets +3/+0 , and gains vigilance.
"I'll show you just how cruel a sport basketball is."