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 |
|---|---|---|---|
| Cavern of Souls | Land | As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered. | |
| Laughing Jasper Flint | 1BR | Legendary Creature — Lizard Rogue | Creatures you control but don't own are Mercenaries in addition to their other types. At the beginning of your upkeep, exile the top X cards of target opponent's library, where X is the number of outlaws you control. Until end of turn, you may cast spells from among those cards, and mana of any type can be spent to cast those spells. 4/3 |
| 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. |
| Overgrown Battlement | 1G | Creature — Wall | Defender {T}: Add {G} for each creature you control with defender. 0/4 |
| Essence Leak | U | Enchantment — Aura | Enchant permanent As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost." |
| Starfield of Nyx | 4W | Enchantment | At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value. |
| Plasm Capture | GGUU | Instant | Counter target spell. At the beginning of your next precombat main phase, add X mana in any combination of colors, where X is that spell's mana value. |
| Fierce Guardianship | 2U | Instant | If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. |
| Happy Dead Squirrel | Stickers | {TK}{TK} — {T}: Add {C}{C}. Spend this mana only to cast noncreature spells. {TK}{TK}{TK} — Infect (This permanent deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {TK}{TK} — 3/2 {TK}{TK}{TK}{TK} — 4/7 | |
| 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 |