Granmarg the Mega Monarch (SHSP-EN041) - Shadow Specters Unlimited

You can Tribute Summon this card by Tributing 1 Tribute Summoned monster. When this card is Tribute Summoned: Target up to 2 Set cards on the field; destroy those targets. If this card was Tributed Summoned by Tributing an EARTH monster, add this additional effect. ? (Then?), draw 1 card [???].