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 |
|---|---|---|---|
| Winter's Night | RGW | World Enchantment | Whenever a player taps a snow land for mana, that player adds one mana of any type that land produced. That land doesn't untap during its controller's next untap step. |
| Bone Pit Brute | 4RR | Creature — Cyclops | Menace (This creature can't be blocked except by two or more creatures.) When Bone Pit Brute enters the battlefield, target creature gets +4/+0 until end of turn. 4/5 |
| Tangle Wire | 3 | Artifact | Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire. |
| Team Spirit | 2G | Instant | Creatures target player's team controls get +1/+1 until end of turn. |
| Festercreep | 1B | Creature — Elemental | Festercreep enters the battlefield with a +1/+1 counter on it. {1}{B}, Remove a +1/+1 counter from Festercreep: All other creatures get -1/-1 until end of turn. 0/0 |
| Ruthless Winnower | 3BB | Creature — Elf Rogue | At the beginning of each player's upkeep, that player sacrifices a non-Elf creature. 4/4 |
| Elven Lyre | 2 | Artifact | {1}, {T}, Sacrifice Elven Lyre: Target creature gets +2/+2 until end of turn. |
| Seal of Strength | G | Enchantment | Sacrifice Seal of Strength: Target creature gets +3/+3 until end of turn. |
| Horde of Boggarts | 3R | Creature — Goblin | Menace (This creature can't be blocked except by two or more creatures.) Horde of Boggarts's power and toughness are each equal to the number of red permanents you control. */* |
| Castle Embereth | Land | Castle Embereth enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn. |