M:tG card similarity search
2B · Enchantment
Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.
| Name | Mana | Type | Text |
|---|---|---|---|
| Commander's Sphere | 3 | Artifact | {T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card. |
| Outpost Siege | 3R | Enchantment | As Outpost Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card. • Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target. |
| Nivix, Aerie of the Firemind | Land | {T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell. | |
| Hall of Gemstone | 1GG | World Enchantment | At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color. |
| Chromatic Lantern | 3 | Artifact | Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color. |
| Elkin Lair | 3R | World Enchantment | At the beginning of each player's upkeep, that player exiles a card at random from their hand. The player may play that card this turn. At the beginning of the next end step, if the player hasn't played the card, they put it into their graveyard. |
| Annie Flash, the Veteran | 3RGW | Legendary Creature — Human Rogue | Flash When Annie Flash, the Veteran enters the battlefield, if you cast it, return target permanent card with mana value 3 or less from your graveyard to the battlefield tapped. Whenever Annie Flash becomes tapped, exile the top two cards of your library. You may play those cards this turn. 4/5 |
| Thieving Varmint | 1B | Creature — Varmint | Deathtouch, lifelink {T}, Pay 1 life: Add two mana of any one color. Spend this mana only to cast spells you don't own. 2/1 |
| Chandra's Embercat | 1R | Creature — Elemental Cat | {T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell. 2/2 |
| Blighted Burgeoning | 2G | Enchantment — Aura | Enchant land When Blighted Burgeoning enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color. |