M:tG card similarity search
3 · Artifact
Altar of the Lost enters the battlefield tapped. {T}: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard.
| Name | Mana | Type | Text |
|---|---|---|---|
| Door to Nothingness | 5 | Artifact | Door to Nothingness enters the battlefield tapped. {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice Door to Nothingness: Target player loses the game. |
| You Find Some Prisoners | 1R | Instant | Choose one — • Break Their Chains — Destroy target artifact. • Interrogate Them — Exile the top three cards of target opponent's library. Choose one of them. Until the end of your next turn, you may play that card, and you may spend mana as though it were mana of any color to cast it. |
| Agatha's Soul Cauldron | 2 | Legendary Artifact | You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control. |
| Curious Homunculus | 1U | Creature — Homunculus | {T}: Add {C}. Spend this mana only to cast an instant or sorcery spell. At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus. 1/1 |
| The Myriad Pools | Legendary Artifact Land | (Transforms from The Everflowing Well.) {T}: Add {U}. Whenever you cast a permanent spell using mana produced by The Myriad Pools, up to one other target permanent you control becomes a copy of that spell until end of turn. | |
| Kaleidostone | 2 | Artifact | When Kaleidostone enters the battlefield, draw a card. {5}, {T}, Sacrifice Kaleidostone: Add {W}{U}{B}{R}{G}. |
| Martyr's Soul | 2W | Creature — Spirit Soldier | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) When Martyr's Soul enters the battlefield, if you control no tapped lands, put two +1/+1 counters on it. 3/2 |
| Rishkar's Expertise | 4GG | Sorcery | Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost. |
| Lavinia, Foil to Conspiracy | 1W/UW/U | Legendary Creature — Human Detective | Vigilance Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {T}: Add {C}{C}. Activate only during an opponent's turn. 2/3 |
| R&D's Secret Lair | Legendary Land | Play cards as written. Ignore all errata. {T}: Add {C}. (This mana is still added to your mana pool.) |