Elite Sniper

When Elite Sniper enters the battlefield, you
may pay {g}, if you do choose one:
-Create a 3/3 green sniper creature token with deathtouch
-Elite Sniper gains +2/+0 and cannot be blocked
-Elite Sniper gains +0/+2 and deathtouch
-Destroy target planeswalker
-Tap all creatures with an equal or greater power
than Elite Sniper