mtg arcades wall deck commander the Strategist Let's Build Wall Tribal! Arcades,

Aetherflux Reservoir ($19.45) turns life into ammunition pay 50 life to deal 50 damage to anything

Grim Feast Rarity: Rare TYPE: Enchantment SUBTYPE: - CMC: 3 Mana cost: USD: $7.76 EUR: 5.19 TIX: 0.20 EDHREC RANK: 17189 At the beginning of your upkeep, this enchantment deals 1 damage to you

In the future, I think this step could be improved by adding more specific and actionable advice about what makes good cards, like the guidance from this page

Bolass Citadel There are only two outcomes when you resolve a Bolas's Citadel

When you discard a creature card this way, target creature you control can't be blocked this turn