Dragon's Lair Abandoned

When Dragon's Lair Abandoned enters the battlefield, sacrifice a land.
{t}: Add {r} and target creature gains +1/+1,
flying, and is a red Dragon in addition to its
other colors and types until end of turn.
{t}: Add {r}{r}.
{t}: Add {r} for each Palace you control.
You cannot add more than {r}{r}{r}{r} in
this way.