Robot Barrel Darryl

trample, double strike
When Robot Barrel Darryl enters the battlefield it gains X +1/+0 counters.
Tap any number of untapped creatures you control:
Robot Barrel Darryl gets +1/+0 for each creature tapped this way.
When Robot Barrel Darryl attacks add a shield counter to it.
Remove 3 shield counters from Robot Barrel Darryl:
Robot Barrel Darryl gains indestructible until end of the turn, put +1/+1 counter on it.