Under the right circumstances, they can function similarly to board wipes, but I tend to view them differently than something like Wrath of God
A coin counter can be placed upon any creature at the end of each of your turns, then when that creature dies or goes into exile, it comes back under your control
You can exile him for six mana to bring him back transformed into Bahamut, Warden of Light - a flying enchantment creature Saga that buffs your board, gives everything flying again, and eventually Giga-flames a target off the board before looping itself back
The other will be put into your graveyard and subsequently cease to exist, unless another effect raises its toughness above 0
Although there are many cards related to Moana characters as well, many players began dubbing this as the Scrooge deck
It gives all Villain characters at the Bad-Anon Location an extra ability