M:tG card similarity search
3 · Artifact
Cryptolith Fragment enters the battlefield tapped. {T}: Add one mana of any color. Each player loses 1 life. At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Standing Stones | 3 | Artifact | {1}, {T}, Pay 1 life: Add one mana of any color. | 
| Crumbling Vestige | Land | Crumbling Vestige enters the battlefield tapped. When Crumbling Vestige enters the battlefield, add one mana of any color. {T}: Add {C}. ({C} represents colorless mana.) | |
| Glistening Sphere | 3 | Artifact | Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters. | 
| Curse of Leeches | 2B | Enchantment — Aura Curse | Enchant player As this permanent transforms into Curse of Leeches, attach it to a player. At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) | 
| City of Ass | Land | City of Ass enters the battlefield tapped. {T}: Add one and one-half mana of any one color. | |
| Hierophant's Chalice | 3 | Artifact | When Hierophant's Chalice enters the battlefield, target opponent loses 1 life and you gain 1 life. {T}: Add {C}. | 
| Cryptic Spires | Land | As you create your deck, circle two of the colors below. Cryptic Spires enters the battlefield tapped. {T}: Add one mana of either of the circled colors. | |
| The Secret Lair | Legendary Land — Lair | {T}: Add {C}. {T}, Say the secret word: Add one mana of any color. Scry 1. You gain 1 life. | |
| Maggot Carrier | B | Creature — Zombie | When Maggot Carrier enters the battlefield, each player loses 1 life. 1/1 | 
| Near-Death Experience | 2WWW | Enchantment | At the beginning of your upkeep, if you have exactly 1 life, you win the game. |