If you don't have seven or more cards in your graveyard at that time, the ability won't resolve and none of its effects will happen
However, it's what happens when this card transforms into Shinryu, Transcendent Rival that has me excited to see how Magic players decide to build around this card
Another strategy only possible with what Amonkhet and Hour of Devastation provided was a control deck built around just one card: Alex Lloyd won Grand Prix Atlanta in 2017 using Lloyd's win came over Magic Rivals Player and Hall of Famer Ben Stark who played a Desert-focused third flavor of the mono-red aggro deck already covered
CASH, VISA, MASTERCARD, DISCOVER, DEBIT ONLY
The main reason for Lugia VSTARs power rests in its Summoning Star VSTAR ability
Choosing Our Commander There's three potential commanders to lead the deck: the new face commander Sliver Gravemother, the other new option Rukarumel, Biologist, and the reprint option Sliver Hivelord