Granmarg the Mega Monarch [SHSP-EN041] Secret Rare

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 [???].