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So, I think there are plenty of supporting cards you can fill out a mono-red deck if you want to consider building around Marton Stromgald

Its gold magnet closure allows for quick, tool-free access, so you can easily secure or retrieve your cards

Or you just organically deal 15 damage to your opponents at the end of a tight game

Aggressive Azorious strategies are always welcome

Its worth noting that the emblems stack, so you can reasonably reach a point where your opponents lose 3 or 4 life each time you sacrifice a creature

Diamond Valley acts as a free sacrifice outlet that can also potentially gain you a ton of life