M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Elsha of the Infinite | 2URW | Legendary Creature — Djinn Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) You may look at the top card of your library any time. You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash. 3/3 |
| Study Hall | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game. | |
| Geosurge | RRRR | Sorcery | Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells. |
| Endless Horizons | 3W | Enchantment | When Endless Horizons enters the battlefield, search your library for any number of Plains cards, exile them, then shuffle. At the beginning of your upkeep, you may put a card you own exiled with Endless Horizons into your hand. |
| Omniscience | 7UUU | Enchantment | You may cast spells from your hand without paying their mana costs. |
| Sins of the Past | 4BB | Sorcery | Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past. |
| Circle of Confinement | 1W | Enchantment | When Circle of Confinement enters the battlefield, exile target creature an opponent controls with mana value 3 or less until Circle of Confinement leaves the battlefield. Whenever an opponent casts a Vampire spell with the same name as a card exiled with Circle of Confinement, you gain 2 life. |
| Sol Grail | 3 | Artifact | As Sol Grail enters the battlefield, choose a color. {T}: Add one mana of the chosen color. |
| A-Fires of Invention | 4R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |