godzilla mtg commander deck Shin Ultra Kaiju Godzilla, King of the Monsters

Colour Identity The colour identity of a legendary creature with adventure includes the colour(s) of any mana symbols in the adventures casting cost

If you have the mana to be throwing out X spells, you should be trying to win the game with them

But you probably wont even need to, since youre likely to just overload it and give all your creatures protection from all colors until end of turn

Based on the rules text saying "you may remove a counter," this means if you deal combat damage and only have the hexproof counter, but want to keep it, you can pass on activating the ability

For a battle, excess damage means damage in excess of the battle's defense (the number of defense counters it has on it)