Channel [International Collectors' Edition] Commander then you choose one of

then you choose one of those rolls to ignore

Flashback {1}{G} (You may cast this card from your graveyard for its flashback cost

Set: Innistrad: Double Feature Type: Creature — Human Wizard Rarity: Uncommon Cost: {1}{R} {T}: Voltaic Visionary deals 2 damage to you

if you control three or more artifacts

Set: Jumpstart 2022 Type: Legendary Creature — Cat Shaman Rarity: Rare Cost: {2}{G} Whenever you cast a creature spell with mana value 5 or greater

Channel [International Collectors' Edition] Commander then you choose one ofSet: International Collectors' Edition Type: Sorcery Rarity: Uncommon Cost: {G}{G} Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.