Players other than you and the chosen player may still perform game actions besides casting spells and attacking with creatures: They may block with creatures, activate abilities, perform special actions, and so on
We have plenty of utility-based creatures within our tribe: Angel of FinalityAngel of Finality is much-needed graveyard hate, Angel of JubilationAngel of Jubilation and Linvala, Keeper of SilenceLinvala, Keeper of Silence are great at slowing down our opponents' plans, and Angel of SanctionsAngel of Sanctions and Sunblast AngelSunblast Angel are removal on a stick
Id definitely pick this card in a Baldurs Gate Commander Draft, and I can even see myself slipping it into some builds if I need an extra bit of evasion for the 99
The overall effect is more powerful than the original Mirage and Visions charmsthey combined effects worth less than a mana on a one mana spell, while here, youre paying a minor premium for access to three effects, each of which youd be happy to put into your deck
Being a non-threat is a very good early game strategy in a political format