If this card is Tribute Summoned: Target 1 Set card on the field; destroy that target.
Rulings
Individual Card FAQs
As with most targeting effects that have specific conditions, if the targeted card is flipped face-up in a chain (for example, if it is a monster and “Ceasefire” is activated, or if it is a Trap Card and is chained to the effect of “Granmarg the Rock Monarch”), then the effect of “Granmarg the Rock Monarch” disappears.
The effect of “Granmarg the Rock Monarch” is an effect that targets. You select the targets when you activate the effect.
EARTH|
Level 6|[ Rock / Effect ]
ATK 2400|
DEF 1000