M:tG card similarity search
2 · Artifact Creature — Myr
Spend only mana produced by creatures to cast this spell. 5/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Thran Turbine | 1 | Artifact | At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells. |
| Boromir, Warden of the Tower | 2W | Legendary Creature — Human Soldier | Vigilance Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you. 3/3 |
| Smokebraider | 1R | Creature — Elemental Shaman | {T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals. 1/1 |
| Great Hall of the Citadel | Land | {T}: Add {C}. {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast legendary spells. | |
| Ominous Traveler | 2 | Creature — Human | When Ominous Traveler enters the battlefield, draft a card from Ominous Traveler's spellbook. That card perpetually gains "You may spend mana as though it were mana of any color to cast this spell" and "When you cast this spell, return a creature named Ominous Traveler you control to its owner's hand." 1/1 |
| A-Lapis Orb of Dragonkind | 2U | Artifact | {T}: Add one mana of any color. When you spend this mana to cast a Dragon creature spell, scry 2. |
| Soul Servitude | 2B | Instant | Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |
| Titans' Nest | 1BGU | Enchantment | At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Exile a card from your graveyard: Add {C}. Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost. |
| Rahilda, Feral Outlaw | Legendary Creature — Werewolf | Double strike When Rahilda, Feral Outlaw deals combat damage to a player, exile a nonland card from their library at random. During any turn you attacked with a Wolf or Werewolf, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. Nightbound 2/2 |