Robot Santa

As long as you control a reindeer Robot Santa has flying.
When Robot Santa enters choose one:
-Destroy all creatures your opponents control with power 2 or less
-For each opponent choose one artifact that player controls, gain control of it for as long as Robot Santa is in play
-Tap all legendary creatures your opponents control, put a stun counter on each
"You have all been very naughty, very naughty indeed!"