Dragonslayer Ornstein

Vigilance
If Dragonslayer Ornstein is on the battlefield, all creatures you own except Dragonslayer Ornstein gain first strike.
If Dragonslayer Ornstein & Executioner Smough are on the battlefield only one can die.
If Executioner Smough dies, Dragonslayer Ornstein gains first-strike, trample & a +5/+5 counter.