Mecha-King Ghidorah

Flying, Protection from Red
Artifact spells you control cost {2} less to cast.
Artifacts you control are Indestructible.
{x}{x}{c}{t}: Mecha-King Ghidorah deals X
damage to target creature or player.
{c}{c}{c}: Exile Mecha-King Ghidorah,
return it to the battlefield at the end of turn.