Barong is taken from the Bali legends with no changes to its name
With Sigarda out, that no longer becomes an option, reducing your opponents to board wipes of some kind, which arent always great in many scenarios
1 Borderless rare or mythic rare, a rare or mythic rare with the showcase Ring treatment, or a Realms and Relics mythic rare In this slot, you can find 1 of 14 rares or 6 mythic rares with the showcase Ring treatment (50% in total)
As this is a built-in Special Summon, it does not start a Chain , sso your opponent cannot respond to a Contact Fusion, just the Summon itself
But the CMC on Varragoth is so low that I really dont think it should be a problem if you have to recast it
Technically, yes, you can reroll the initial free booster pack the game gives you