M:tG card similarity search
2U · Legendary Artifact
{U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
| Name | Mana | Type | Text |
|---|---|---|---|
| Author of Shadows | 4B | Creature — Shade Warlock | When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 3/3 |
| False Dawn | 1W | Sorcery | Until end of turn, spells and abilities you control that would add colored mana instead add that much white mana. Until end of turn, you may spend white mana as though it were mana of any color. Draw a card. |
| Rootcoil Creeper | GU | Creature — Plant Horror | {T}: Add one mana of any color. {T}: Add two mana of any one color. Spend this mana only to cast spells from your graveyard. {G}{U}, {T}, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand. 2/2 |
| Piracy | UU | Sorcery | Until end of turn, you may tap lands you don't control for mana. Spend this mana only to cast spells. |
| A-Jade Orb of Dragonkind | 2G | Artifact | {T}: Add one mana of any color. When you spend this mana to cast a Dragon creature spell, it enters the battlefield with an additional +1/+1 counter on it and gains hexproof until your next turn. |
| Throne of Eldraine | 5 | Legendary Artifact | As Throne of Eldraine enters the battlefield, choose a color. {T}: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color. {3}, {T}: Draw two cards. Spend only mana of the chosen color to activate this ability. |
| Secret Base | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base. | |
| The Ruinous Powers | 2BR | Enchantment | At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value. |
| Meeting of the Five | 3WUBRG | Sorcery | Exile the top ten cards of your library. You may cast spells with exactly three colors from among them this turn. Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Spend this mana only to cast spells with exactly three colors. |
| Ixalli's Lorekeeper | G | Creature — Human Druid | {T}: Add one mana of any color. Spend this mana only to cast a Dinosaur spell or activate an ability of a Dinosaur source. 1/1 |