Personally, I would probably focus on budget decks, but put awesome value cards in them that I found cheap in boxes and trades
Not only is he Doubling Seasons on a creature, but he also pulls double duty by halving the number of counters your opponents put on players on permanents
When you look at the cards abilities, that makes perfect sense
(Activate this ability only if this creature attacked this turn and only once each turn.) Eradicator Valkyrie can't be the target of abilities whose source is a planeswalker an opponent controls
Eldrazi are the way to go
Commander 2018 - Nature's Vengeance $74.99 Commander 2018 - Exquisite Invention $59.99 US Shipping Only Due to export restrictions, this item may only be shipped to addresses in the United States, APO/FPO addresses, and Puerto Rico