This is because control decks are extremely versatile and can be fine-tuned to adjust to any decks they may face
you attack me with it and if it hits I'm dead, so I chump-block it to survive this round
The healing aspect is heavy, but theres not much benefit from it that turns into a win
For starters, that includes the new Mickey Mouse - Brave Little Prince (Iconic), which's already selling for over $1000 on resale sites like TCGPlayer and eBay, while its new "Iconic" pairing, Minnie Mouse - Sweetheart Princess, isn't exactly cheap either, and currently fetching around $865 market price
If Minwu or another Cleric you control is dealt lethal damage at the same time that you gain life, it will die before Minwu's last ability would resolve