M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Grave Choice | 2B | Instant | Target opponent sacrifices a nontoken creature. If that creature had mana value 2 or less, conjure a duplicate of it into your hand. That duplicate perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Skyrider Elf | XGU | Creature — Elf Warrior Ally | Flying Converge — Skyrider Elf enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. 0/0 |
| Plague Myr | 2 | Artifact Creature — Phyrexian Myr | Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}. 1/1 |
| Vexing Puzzlebox | 3 | Artifact | Whenever you roll one or more dice, put a number of charge counters on Vexing Puzzlebox equal to the result. {T}: Add one mana of any color. Roll a d20. {T}, Remove 100 charge counters from Vexing Puzzlebox: Search your library for an artifact card, put that card onto the battlefield, then shuffle. |
| New Horizons | 2G | Enchantment — Aura | Enchant land When New Horizons enters the battlefield, put a +1/+1 counter on target creature you control. Enchanted land has "{T}: Add two mana of any one color." |
| Geosurge | RRRR | Sorcery | Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells. |
| Darksteel Citadel | Artifact Land | Indestructible {T}: Add {C}. | |
| Gwenna, Eyes of Gaea | 2G | Legendary Creature — Elf Druid Scout | {T}: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of a creature or creature card. Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna, Eyes of Gaea and untap it. 2/3 |
| Discreet Retreat | 3B | Enchantment — Aura | Enchant land Enchanted land has "{T}: Add two mana of any one color. Spend this mana only to cast outlaw spells or activate abilities of outlaw sources." (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) Whenever you cast your first outlaw spell each turn, you draw a card and you lose 1 life. |
| Hurl Through Hell | 2BR | Instant | Exile target creature. Until the end of your next turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. |