Dragon Mage [Commander 2015] 79a lands tapped for mana produce

lands tapped for mana produce mana of the chosen color instead of any other color

Set: Battlebond Tokens Type: Emblem — Rowan Rarity: Common Whenever you activate an ability that isn't a mana ability

Set: Jumpstart 2022 Type: Creature — Serpent Rarity: Uncommon Cost: {5}{U}{U} This spell costs {1} less to cast for each instant and sorcery card in your graveyard

For reference

Set: Dominaria Remastered Type: Creature — Elf Mutant Rarity: Common Cost: {5}{G} {T}: Add {G}{G}{G}

Dragon Mage [Commander 2015] 79a lands tapped for mana produceSet: Commander 2015 Type: Creature Dragon Wizard Rarity: Rare Cost: {5}{R}{R} Flying Whenever Dragon Mage deals combat damage to a player, each player discards their hand, then draws seven cards. "You'll bend to my willwith or without your precious sanity."