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 |
|---|---|---|---|
| Shidako, Broodmistress | Legendary Creature — Snake Shaman | {G}, Sacrifice a creature: Target creature gets +3/+3 until end of turn. 3/3 | |
| Nikya of the Old Ways | 3RG | Legendary Creature — Centaur Druid | You can't cast noncreature spells. Whenever you tap a land for mana, add one mana of any type that land produced. 5/5 |
| Anaba Spirit Crafter | 2RR | Creature — Minotaur Shaman | Minotaur creatures get +1/+0. 1/3 |
| Stoneforge Masterwork | 1 | Artifact — Equipment | Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it. Equip {2} |
| Slaughterhouse Bouncer | 4B | Creature — Ogre Warrior | Hellbent — When Slaughterhouse Bouncer dies, if you have no cards in hand, target creature gets -3/-3 until end of turn. 3/3 |
| Leyline of Abundance | 2GG | Enchantment | If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield. Whenever you tap a creature for mana, add an additional {G}. {6}{G}{G}: Put a +1/+1 counter on each creature you control. |
| Fodder Launch | 3B | Tribal Sorcery — Goblin | As an additional cost to cast this spell, sacrifice a Goblin. Target creature gets -5/-5 until end of turn. Fodder Launch deals 5 damage to that creature's controller. |
| Teetering Peaks | Land | Teetering Peaks enters the battlefield tapped. When Teetering Peaks enters the battlefield, target creature gets +2/+0 until end of turn. {T}: Add {R}. | |
| Turntimber Grove | Land | Turntimber Grove enters the battlefield tapped. When Turntimber Grove enters the battlefield, target creature gets +1/+1 until end of turn. {T}: Add {G}. | |
| Valorous Charge | 1WW | Sorcery | White creatures get +2/+0 until end of turn. |