Its mana cost is more restrictive than something like Cloud Key, and as an artifact creature with flying, Enthusiastic Mechanaut is one of the most easily removed permanents there is
Ramp This deck doesn't contain a hefty ramp package outside the standard set of mana rocks, but it doesn't need it: the deck runs a lot of low-cost spells with effects that work especially well with Deadpool, Trading Card, so the standard mana rock package (Sol Ring, Arcane Signet, and one more two-mana artifact) should be enough
There are Walls, there are cards that let you give opponents some resources, and there are cards that let you steal most of those resources to snag the win
It also lets you play black cards, which gives you access to some unique goblins like Warren Soultrader and Sling-Gang Lieutenant, which arent available to mono-red decks
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Wrathful Red Dragon is the Dragon decks answer to Blasphemous Act