Given this precon directly combats against so many black effects in other decks, if you choreograph your move at sorcery speed, you leave yourself extra vulnerable to a mill or recursion deck flinging your glorious chosen card straight into your graveyard
When Can I Morph
Elephants are a super janky tribe
Later on, Co-Leader designer posted this letter to the Lorcana Discord, which goes into more detail on why the two cards were banned: Dear Illumineers, We are writing to address the recent decision to ban the cards Hiram Flaversham –
It has one of the strongest colorless ETB effects in the game, giving you protection the turn you cast it, so you get a nice advantage even if you cast this card in the late game
Minions' Murmurs Similar to Pact of the Serpent , however you can't target anyone else for the draw, and it's for the total number of creatures you control, not based on type