The Command Breaker

Begin the game with this card revealed.
When a Vehicle is Crewed is gains defender
for {x} turns, where {x} is its power.
Creatures with counters on them gain defender,
and "{3}{t}: Deal 2 damage to any target creature."
Creatures lose trample, riot, haste, flying,
deathtouch but gain double-strike, vigilance.
Library's can't be searched or get additional
draws and maximum hand size becomes 3.