I definitely will consider Silent Arbiter, but I don't think I will add Ensnaring Bridge because it doesn't play well with cards like Granite Grip & the other buff cards considering Kratos, God of War third textbox, since I do want to be attacking with & buffing Kratos every chance I get
Heres another top-tier 3-MV mana rock, one that gives blue access to some coveted ramp, then becomes a draw-7 in just a few turn cycles
Boon of the Spirit Realm will be extremely deadly in those builds, as well as other decks with lots of enchantment creatures like Daxos the Returned or Go-Shintai of Lifes Origin
It is good work to offer a 1-mana combat trick that is both protection and pump, or a land, in Revitalizing Repast / Old-Growth Grove
There are a few exceptions: Transform cards like Elbrus, the Binding Blade and Westvale Abbey become demons but arent legendary creatures on the front side