Often Valduk ends up just being a legendary 3/2, awkward if you took this over removal or some solid all-around card
Heres how to shortcut it: AI deck builder tell it faerie tribal commander, Alela (or build from your own collection) and it drafts a legal, color-correct list in seconds
The cards a winner
You get a one-trick pony here, but you can return from your graveyard to your hand one each of every major spell type, from instants to planeswalkers, but not lands or dorks
Astronomer of Arkum ) Snow mana is mainly attached to activated abilities on snow permanents, but in rare cases, like Astronomer of Arcum, the mana cost of the card itself is snow mana, and there are also snow spells that do not require snow mana themselves, such as Blood on the Snow, but whose effects vary depending on the number of snow mana used when casting the spell