M:tG card similarity search
3R · Enchantment
At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Overabundance | 1RG | Enchantment | Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player. |
| Tribute to Urborg | 1B | Instant | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets an additional -1/-1 until end of turn for each instant and sorcery card in your graveyard. |
| Elder of Laurels | 2G | Creature — Human Advisor | {3}{G}: Target creature gets +X/+X until end of turn, where X is the number of creatures you control. 2/3 |
| Sakura-Tribe Springcaller | 3G | Creature — Snake Shaman | At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end. 2/4 |
| Eye Gouge | B | Instant | Target creature gets -1/-1 until end of turn. If it's a Cyclops, destroy it. |
| Pradesh Gypsies | 2G | Creature — Human Nomad | {1}{G}, {T}: Target creature gets -2/-0 until end of turn. 1/1 |
| Guul Draz Assassin | B | Creature — Vampire Assassin | Level up {1}{B} ({1}{B}: Put a level counter on this. Level up only as a sorcery.) LEVEL 2-3 2/2 {B}, {T}: Target creature gets -2/-2 until end of turn. LEVEL 4+ 4/4 {B}, {T}: Target creature gets -4/-4 until end of turn. 1/1 |
| Kagemaro, First to Suffer | 3BB | Legendary Creature — Demon Spirit | Kagemaro, First to Suffer's power and toughness are each equal to the number of cards in your hand. {B}, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand. */* |
| Bronze Cudgels | 1 | Artifact — Equipment | {2}: Until end of turn, equipped creature gets +X/+0, where X is the number of times this ability has resolved this turn. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| A-Eyes of the Beholder | 3BB | Instant | Target creature gets -11/-11 until end of turn. |