This is because demand is high, and prices are generally higher
Blex gives you just a static buff, while Blechs lifegain trigger can get out of hand when you swing with a wide board of tokens that gain life when they attack
You ramp energy faster than any other type, draw extra cards for free, and heal through damage that would cripple other teams
All of your cards generating Saprolings are improved so much by this and all of your thallids also happen to get pumped up
Low Value, High Utility Fleshbag Marauder Solemn Simulacrum Wonder Mulldrifter Sign in Blood Cultivate Fact or Fiction Dimir Signet Golgari Signet Simic Signet Including Command Tower and Sol Ring, we have 20 cards that can be used elsewhere, tying it with Political Puppets for first place in that category
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