Spectator Dragon

Flying
{1}{w}: spectator dragon gains lifelink until end of turn
{1}{u}: put a +1/+1 counter on spectator dragon
{5}{r}: spectator dragon gains double strike until end of turn
{3}{g}: spectator dragon gains trample until end of turn. gain 2 life.

"after years of experimentation, the beholder's new minion had been created. it was only then that the beholder realized this new creation was too dangerous, and it was kept locked away far underground. I freed it, you're welcome."