M:tG card similarity search
2U · Enchantment
Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.
| Name | Mana | Type | Text |
|---|---|---|---|
| Key to the Archive | 4 | Artifact | Key to the Archive enters the battlefield tapped. When Key to the Archive enters the battlefield, draft a card from Key to the Archive's spellbook, then discard a card. {T}: Add two mana in any combination of colors. |
| Conduit of Storms | 2R | Creature — Werewolf Horror | Whenever Conduit of Storms attacks, add {R} at the beginning of your next main phase this turn. {3}{R}{R}: Transform Conduit of Storms. 2/3 |
| Urza, Lord High Artificer | 2UU | Legendary Creature — Human Artificer | When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost. 1/4 |
| Death Spark | R | Instant | Death Spark deals 1 damage to any target. At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay {1}. If you do, return Death Spark to your hand. |
| Allosaurus Rider | 5GG | Creature — Elf Warrior | You may exile two green cards from your hand rather than pay this spell's mana cost. Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control. 1+*/1+* |
| Reckoner's Bargain | 1B | Instant | As an additional cost to cast this spell, sacrifice an artifact or creature. You gain life equal to the sacrificed permanent's mana value. Draw two cards. |
| Alchemist's Refuge | Land | {T}: Add {C}. {G}{U}, {T}: You may cast spells this turn as though they had flash. | |
| Aggravated Assault | 2R | Enchantment | {3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery. |
| Molting Harpy | B | Creature — Harpy Mercenary | Flying At the beginning of your upkeep, sacrifice Molting Harpy unless you pay {2}. 2/1 |
| Brightstone Ritual | R | Instant | Add {R} for each Goblin on the battlefield. |