Both abilities discouraged interaction, and once menace came along it was decided to retire both mechanics
The same is true for the colors of the spell, the colors of a split card are both colors everywhere EXCEPT on the stack when being cast, where only the cast part(s) colors are used
That was it: feel free to Armageddon/Channel-Fireball/whatever, and your opponent of the Islands couldn't do jack, diddly, or squat to stop you
His presence in your hand or deck may make you slightly more likely to fizzle, but if you draw him, you dont necessarily have to finish the combo, so its sort of a wash
Chart shows the price of Light Vaporeon [1st Edition] #52 at the end of each month going back as long as we have tracked the item.
Unfortunately, decks typically arent made solely of CMC 3 or less creatures, making Bygone Bishop less than ideal