First, it's a three cost, with an ETB ability so you can drop it on the third turn
We can use the combo to make a lot of mana and a lot of creatures depending on the other cards you have out, and we can channel that mana into Helix Pinnacle because that's the kind of thing I do
I rarely have tons of basics in my decks and Arena has quite a few non-basic lands to pick from even if it doesnt have every land in MTGs history
Instant Color tag templates(None) Rampage of the Clans Destroy all artifacts and enchantments
You will eventually learn which expensive spells are above replacement level in the cube (I would consider Consecrated Sphinx, Elspeth, Suns Champion, and Inferno Titan to be on the short list.) Lands are incredibly high picks, especially fetches
Karlovs a much-coveted commander due to its two synergistic abilities on an insanely cheap body