This has your Angels get progressively bigger and bigger the more you have out
Theres enough cost reduction and free spell-casting in Eternal formats that this might make the cut somewhere, but I wouldnt get too excited about my 3-mana counterspells lining up against Force of Will and friends in Legacy and beyond
This, however, has often existed alongside the game, rather than being the focus
Enchantment - Saga Sticky Fingers Enchant creature Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures
Theres a Sleight of Mind in the maindeck, with another in the sideboard
But most often, the negativity around powerful cards or decks has more to do with how they reduce the sense of identity or ownership around a deck, like we just examined