Bloraid, Tyrant Overlord

Whenever another creature is put into a graveyard from the battlefield, you may put a +1/+1 counter on Bloraid, Tyrant Overlord.
Whenever a creature you control dies, Regenerate Bloraid, Tyrant Overlord.
If you control a Dragon Bloraid, Tyrant Overlord has Flying, Haste and Trample.