I doubt that this is going to be commonplace, but I did want to say that I think the Rules Committee will take action if this actually becomes a recurring problem
Like with Scute SwarmScute Swarm, Compy SwarmCompy Swarm will have a great time in Mutate decks like Brokkos, Apex of ForeverBrokkos, Apex of Forever, Otrimi, the Ever-PlayfulOtrimi, the Ever-Playful, and Nethroi, Apex of DeathNethroi, Apex of Death
Each of the missing slots are the cards Im missing
Or it could just be multiplayer night, and you require an answer that can block multiple attackersrather than one like Maze of Iththat only handles a single creature
Welcoming Vampire can only draw one card per turn, but Mentor can draw multiple for the cost of a single generic mana
Couldnt they have at least made it a Zombie instead of a Skeleton