The Sapphire Steel deck is a nice deck to just play casually, as you don't need an extensive knowledge of the game to understand how it functions
But I'm gaining 2 life a turn
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It has the potential to see play in land-ramp decks without any other energy support, although there are probably better effects to cheat out permanents in green
So, I made an instant that flickered at common, a creature that flickered as an "enters the battlefield" effect at uncommon, and a creature with an activated ability that flickered at rare
Its higher mana value may seem annoying but being a two-for-one creature and removal spell makes it worthwhile