I hit on a few really good options, but those were ultimately beat out by two specific winners
WWMMC - Tri Frost Discard all Energy from this Pokmon
No matter how perfectly built your deck is, mana issues are inevitable, but to give you a rough idea, I would say that when you run the numbers, anything over 85 percent for the early game is reliable
This enables an infinite damage and infinite lifegain combo
In truth, this is actually a rather fragile shield, because the second time you're hit, the Golden Throne will get exiled, unless you can earthbend it up again
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