Kratos, Dragonic Warlord

Flying, trample, double Strike
Whenever Kratos, Dragonic Warlord attacks
for the first time each turn, untap all dragon
creatures you control. After this phase, there
is an additional combat phase.
{w}{b}{r}: regenerate Kratos, Dragonic Warlord.
"The dragon of war carved its name
into various annals of history."