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 |
|---|---|---|---|
| Cryptic Spires | Land | As you create your deck, circle two of the colors below. Cryptic Spires enters the battlefield tapped. {T}: Add one mana of either of the circled colors. | |
| Regal Leosaur | RW | Creature — Dinosaur Cat | Mutate {1}{R/W}{R/W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +2/+1 until end of turn. 2/2 |
| Press the Advantage | 2GG | Instant | Up to two target creatures each get +2/+2 and gain trample until end of turn. |
| Charging Cinderhorn | 3R | Creature — Elemental Ox | Haste At the beginning of each player's end step, if no creatures attacked this turn, put a fury counter on Charging Cinderhorn. Then Charging Cinderhorn deals damage equal to the number of fury counters on it to that player. 4/2 |
| Harmony of Nature | 2G | Sorcery | Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way. |
| Marshaling the Troops | 1G | Sorcery | Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way. |
| Jade Orb of Dragonkind | 2G | Artifact | {T}: Add {G}. When you spend this mana to cast a Dragon creature spell, it enters the battlefield with an additional +1/+1 counter on it and gains hexproof until your next turn. (It can't be the target of spells or abilities your opponents control.) |
| Sarevok, Mighty Usurper | 3BG | Legendary Creature — Human Knight | Trample At the beginning of combat on your turn, target creature you control gains trample and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. 4/4 |
| Call to Serve | 1W | Enchantment — Aura | Enchant nonblack creature Enchanted creature gets +1/+2, has flying, and is an Angel in addition to its other types. |
| Shade's Breath | 1B | Instant | Until end of turn, each creature you control becomes a black Shade and gains "{B}: This creature gets +1/+1 until end of turn." |