This deck can certainly win games in combat, but when you have an infinite mana outlet in the command zone and the ability to make infinite mana with Lilysplash Mentor and a combo piece, it's just really easy to fall into the same play pattern again and again
What Are Some Cards to Exile Graveyards
On closer inspection, you can see that the skeleton isn't even a real skeleton, but likely to be an artifact creature of some sort with all the magical runes and/or mechanical circuitry on the skull
Riders of Rohan - Universes Beyond: Lord of The Rings It might not be the flashiest deck since it relies on an awful lot of Human Knights in battles between Eldrazi monstrosities, Dragons, and spellcasters, but Riders of Rohan is a precon thats very well put together
Windcrag Siege fits in famously, and with Firebender Ascension it's only the trigger from the attacking creature, but it counts
While Merfolk Secretkeeper and Wall of Lost Thoughts might be a bigger body to cushion blows, their milling ability only triggers once
