Even if your deck has a really low curve, you probably want a sizable land count if youre running a 4- or 5-mana commander
Its a tried-and-true strategyturning chip damage into a flood of cards
Not only does this card work perfectly for my favorite commander, Caesar, and my other favorite Mardu man, Negan, the Cold-Blooded, but it also overcomes my least favorite wincons, those that ping your life total outside of combat

Sort Card Type Brock's Onix (21) #21Rare $8.72 Brock's Onix (69) #69Common $1.82 Onix #56Common $1.00 Onix #98Common $7.44 Onix #56Common $3.81 Onix #84Common $1.07 Onix #69Common $1.13 Onix #3Promo $52.49 Onix #84Common $0.58 Onix #71Common $0.92 Onix #42Uncommon $2.79 Onix #71Common $0.66 Onix #69Common $0.92 Onix #65Common $0.86 Onix #92Common $0.40 Onix #69Common $0.44 Onix #61Uncommon $0.65 Onix #61Common $0.13 Onix #71Common $0.26 Onix #109Common $0.29 Onix #103Common $0.22 Onix #105Common $0.22 Onix #68Common $0.14 Onix #138Common $0.08 Onix #36Common $0.10 Onix #95Uncommon $0.18 Onix #90Common $0.10 Onix #10Classic Collection $9.15 Onix #70Common $0.07 Onix #22Common $0.07 Onix #39Common $0.10 Onix #95Uncommon $0.11 Onix #36Common $0.17 Onix #55Common $0.52 Onix #39Common $0.27 Onix #29Common $0.41 Onix #43Common $0.32 Onix #34Common $0.94 Onix #32Common $0.54 Onix #59Common $0.40 Onix - 2006 (Hiroki Yano) #69Common $5.94 Onix - 9/12 #9Promo $9.36 Onix (56) #56Common $0.54 Onix (57) #57Common $0.29 Onix (Master Ball Pattern) #95Uncommon $7.07 Onix (Poke Ball Pattern) #95Uncommon $0.32 Onix GX #36Ultra Rare $3.02 Onix #3Promo $52.49 Onix - 9/12 #9Promo $9.36 Onix #10Classic Collection $9.15 Brock's Onix (21) #21Rare $8.72 Onix #98Common $7.44 Onix (Master Ball Pattern) #95Uncommon $7.07 Onix - 2006 (Hiroki Yano) #69Common $5.94 Onix #56Common $3.81 Onix GX #36Ultra Rare $3.02 Onix #42Uncommon $2.79

When you cast a mana spell in your archetype more than your experience counter count you'll get one, and your spells you are built around cost that much fewer
4 Energy Extract : 20 Search your deck for a basic Energy card and attach it to this Pokmon