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 |
|---|---|---|---|
| Scene of the Crime | Artifact Land — Clue | Scene of the Crime enters the battlefield tapped. {T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color. {2}, Sacrifice Scene of the Crime: Draw a card. | |
| Thornmantle Striker | 4B | Creature — Elf Rogue | When Thornmantle Striker enters the battlefield, choose one — • Remove X counters from target permanent, where X is the number of Elves you control. • Target creature an opponent controls gets -X/-X until end of turn, where X is the number of Elves you control. 4/3 |
| Mardu Ascendancy | RWB | Enchantment | Whenever a nontoken creature you control attacks, create a 1/1 red Goblin creature token that's tapped and attacking. Sacrifice Mardu Ascendancy: Creatures you control get +0/+3 until end of turn. |
| Lotus Blossom | 2 | Artifact | At the beginning of your upkeep, you may put a petal counter on Lotus Blossom. {T}, Sacrifice Lotus Blossom: Add X mana of any one color, where X is the number of petal counters on Lotus Blossom. |
| Fires of Yavimaya | 1RG | Enchantment | Creatures you control have haste. Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn. |
| Resolute Strike | W | Instant | Target creature gets +2/+2 until end of turn. If it's a Warrior, you may attach an Equipment you control to it. |
| Vicious Shadows | 6R | Enchantment | Whenever a creature dies, you may have Vicious Shadows deal damage to target player equal to the number of cards in that player's hand. |
| Sarevok, Ferocious Usurper | 3BR | Legendary Creature — Human Knight | Menace At the beginning of combat on your turn, target creature you control gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. 4/4 |
| Sacred Rites | W | Instant | Discard any number of cards. Creatures you control get +0/+1 until end of turn for each card discarded this way. |
| Runeflare Trap | 4RR | Instant — Trap | If an opponent drew three or more cards this turn, you may pay {R} rather than pay this spell's mana cost. Runeflare Trap deals damage to target player equal to the number of cards in that player's hand. |