I'll be pretty happy with either option
Honestly, I dont have a lot of faith in those strategies because theyre vulnerable to graveyard hate and creature removal, but its worth noting that this is very easy to combo with, especially if youre looking to use Emry in Commander, where it should be patently absurd, given that it will basically always cost U even after its been killed several times, and is very easy to combo with, which is the cleanest way to win a game of Commander
Where Will Those Cards and Sets Go When Rotation Hits
So you also need a few extra dice
The God side, a mono Green creature, effectively gives all of your legendary creatures the ability to generate mana of any colour
This card should be much more readily available and easier to get hold of