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 |
|---|---|---|---|
| Old Man Willow | 2BG | Legendary Creature — Treefolk | Old Man Willow's power and toughness are each equal to the number of lands you control. Whenever Old Man Willow attacks, you may sacrifice another creature or a token. When you do, target creature an opponent controls gets -2/-2 until end of turn. */* |
| Consuming Blob | 3GG | Creature — Ooze | Consuming Blob's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1. At the beginning of your end step, create a green Ooze creature token with "This creature's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1." */*+1 |
| Nightmare's Thirst | B | Instant | You gain 1 life. Target creature gets -X/-X until end of turn, where X is the amount of life you gained this turn. |
| Essence Pulse | 3B | Sorcery | You gain 2 life. Each creature gets -X/-X until end of turn, where X is the amount of life you gained this turn. |
| Vilis, Broker of Blood | 5BBB | Legendary Creature — Demon | Flying {B}, Pay 2 life: Target creature gets -1/-1 until end of turn. Whenever you lose life, draw that many cards. (Damage causes loss of life.) 8/8 |
| Light from Within | 2WW | Enchantment | Chroma — Each creature you control gets +1/+1 for each white mana symbol in its mana cost. |
| Aim High | 1G | Instant | Untap target creature. It gets +2/+2 and gains reach until end of turn. (It can block creatures with flying.) |
| Spidery Grasp | 2G | Instant | Untap target creature. It gets +2/+4 and gains reach until end of turn. (It can block creatures with flying.) |
| Steady Aim | 1G | Instant | Untap target creature. It gets +1/+4 and gains reach until end of turn. |
| Umbra Stalker | 4BBB | Creature — Elemental | Chroma — Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard. */* |