At first glance, Common Cause looks like a playable card
Some day well have a more definitive answer here (or if I had a month to go set by set and calculate with the unique number of foils and that particular set of languages), but until then, I think we should estimate higher
Read More: The Best Eldrazi In Commander 1 Branching Evolution Branching Evolution, on the other hand, is a three-mana Green Enchantment that reads, If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead. Well, its not an original effect in any way, but it is a powerful one, and its only three mana, and its an Enchantment, so its all pretty much perfect for what youre trying to do here, and thats why its the best of the best +1/+1 counters Commander cards in MTG
For example, the idea of a full moon is so strong in the flavor of werewolves that if the game state changes them and doesn't hint at any other flavor, players are going to naturally want to fill in the flavor of the moon
He cant die and will always return to your battlefield, but that being said, he is more of a support piece, not really a carry like Megatron
Its not very fruitful to dig into this too deep, as the answer will mostly be some version of people whine too much. Instead, Id like to look at the crux of the issue: is the deck doing something fair