Carax, Land of Havoc

{t} Add {2} to your mana pool
{b/r}{t} Add {b}{b} or {r}{r} to your mana pool
{b}{r}{t} If a creature with power five or more
enters the battlefield under your control this
turn, destroy target creature or land.
"I love to watch mortals try and get through the gates!" -Xancha, Demonlord