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 | 
|---|---|---|---|
| Candy Grapple | 1B | Instant | Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Target creature gets -3/-3 until end of turn. If this spell was bargained, that creature gets -5/-5 until end of turn instead. | 
| Desert's Due | 1B | Instant | Target creature gets -2/-2 until end of turn. It gets an additional -1/-1 until end of turn for each Desert you control. | 
| Flowstone Slide | X2RR | Sorcery | All creatures get +X/-X until end of turn. | 
| Rollick of Abandon | 3RR | Sorcery | All creatures get +2/-2 until end of turn. | 
| Give No Ground | 3W | Instant | Target creature gets +2/+6 until end of turn and can block any number of creatures this turn. | 
| Faerie Fencing | XB | Instant | Target creature gets -X/-X until end of turn. That creature gets an additional -3/-3 until end of turn if you controlled a Faerie as you cast this spell. | 
| Dega Disciple | W | Creature — Human Wizard | {B}, {T}: Target creature gets -2/-0 until end of turn. {R}, {T}: Target creature gets +2/+0 until end of turn. 1/1 | 
| Vernal Bloom | 3G | Enchantment | Whenever a Forest is tapped for mana, its controller adds an additional {G}. | 
| Heartbeat of Spring | 2G | Enchantment | Whenever a player taps a land for mana, that player adds one mana of any type that land produced. | 
| Mana Flare | 2R | Enchantment | Whenever a player taps a land for mana, that player adds one mana of any type that land produced. |