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 |
|---|---|---|---|
| Kabira Outrider | 3W | Creature — Human Warrior | When Kabira Outrider enters the battlefield, target creature gets +1/+1 until end of turn for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) 3/3 |
| Hit | 1BR | Instant | Target player sacrifices an artifact or creature. Hit deals damage to that player equal to that permanent's mana value. |
| Secret Base | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base. | |
| Stolen Vitality | 1R | Instant | Target creature gets +3/+1 until end of turn. If it's your turn, that creature gains trample until end of turn. Otherwise, it gains first strike until end of turn. |
| Escaped Experiment | 1U | Artifact Creature — Phyrexian Beast | Whenever Escaped Experiment attacks, target creature an opponent controls gets -X/-0 until end of turn, where X is the number of artifacts you control. 2/1 |
| Skulking Killer | 3B | Creature — Vampire Assassin | When Skulking Killer enters the battlefield, target creature an opponent controls gets -2/-2 until end of turn if that opponent controls no other creatures. 4/2 |
| The Mightstone and Weakstone | 5 | Legendary Artifact — Powerstone | When The Mightstone and Weakstone enters the battlefield, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.) |
| Kate Stewart | 1URW | Legendary Creature — Human Scientist | Whenever you put one or more time counters on a permanent you control, create a 1/1 white Soldier creature token. Whenever Kate Stewart attacks, you may pay {8}. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control. 3/3 |
| Essence Flare | U | Enchantment — Aura | Enchant creature Enchanted creature gets +2/+0. At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature. |
| Unstable Mutation | U | Enchantment — Aura | Enchant creature Enchanted creature gets +3/+3. At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature. |