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 |
|---|---|---|---|
| Malignant Growth | 3GU | Enchantment | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a growth counter on Malignant Growth. At the beginning of each opponent's draw step, that player draws an additional card for each growth counter on Malignant Growth, then Malignant Growth deals damage to the player equal to the number of cards they drew this way. |
| Aspect of Wolf | 1G | Enchantment — Aura | Enchant creature Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up. |
| Adarkar Unicorn | 1WW | Creature — Unicorn | {T}: Add {U} or {C}{U}. Spend this mana only to pay cumulative upkeep costs. 2/2 |
| Flare of Faith | 1W | Instant | Target creature gets +2/+2 until end of turn. If it's a Human, instead it gets +3/+3 and gains indestructible until end of turn. |
| Angel's Trumpet | 3 | Artifact | All creatures have vigilance. At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. Angel's Trumpet deals damage to the player equal to the number of creatures tapped this way. |
| Dawn's Reflection | 3G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors. |
| Market Festival | 3G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors. |
| Resounding Roar | 1G | Instant | Target creature gets +3/+3 until end of turn. Cycling {5}{R}{G}{W} ({5}{R}{G}{W}, Discard this card: Draw a card.) When you cycle Resounding Roar, target creature gets +6/+6 until end of turn. |
| Applied Aeronautics | Artifact — Contraption | Whenever you crank Applied Aeronautics, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types. | |
| Noxious Ghoul | 3BB | Creature — Zombie | Whenever Noxious Ghoul or another Zombie enters the battlefield, all non-Zombie creatures get -1/-1 until end of turn. 3/3 |