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 |
|---|---|---|---|
| Wild Hunger | 2G | Instant | Target creature gets +3/+1 and gains trample until end of turn. Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Centaur of Attention | 3GG | Creature — Centaur Performer | When Centaur of Attention enters the battlefield, roll five six-sided dice and store those results on it. At the beginning of combat on your turn, you may reroll any number of Centaur of Attention's stored results. Centaur of Attention gets +X/+X, where X is the greatest number of stored results on it of the same value. 3/3 |
| Briarblade Adept | 4B | Creature — Elf Assassin | Whenever Briarblade Adept attacks, target creature an opponent controls gets -1/-1 until end of turn. Encore {3}{B} ({3}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 3/4 |
| Dream Salvage | U/B | Instant | Draw cards equal to the number of cards target opponent discarded this turn. |
| Immolation Shaman | 1R | Creature — Viashino Shaman | Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player. {3}{R}{R}: Immolation Shaman gets +3/+3 and gains menace until end of turn. 1/3 |
| Amoeboid Changeling | 1U | Creature — Shapeshifter | Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn. 1/1 |
| Organ Harvest | B | Sorcery | Your team may sacrifice any number of creatures. For each creature sacrificed this way, you add {B}{B}. |
| Blood Lust | 1R | Instant | If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1. |
| Yavimaya Ancients | 3GG | Creature — Treefolk | {G}: Yavimaya Ancients gets +1/-2 until end of turn. 2/7 |
| Roxanne, Starfall Savant | 3RG | Legendary Creature — Cat Druid | Whenever Roxanne, Starfall Savant enters the battlefield or attacks, create a tapped colorless artifact token named Meteorite with "When Meteorite enters the battlefield, it deals 2 damage to any target" and "{T}: Add one mana of any color." Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced. 4/3 |