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 |
|---|---|---|---|
| Ingenious Skaab | 2U | Creature — Zombie Horror | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {U}: Ingenious Skaab gets +1/-1 until end of turn. 2/3 |
| City of Ass | Land | City of Ass enters the battlefield tapped. {T}: Add one and one-half mana of any one color. | |
| Shell Shield | U | Instant | Kicker {1} (You may pay an additional {1} as you cast this spell.) Target creature you control gets +0/+3 until end of turn. If this spell was kicked, that creature also gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.) |
| Elemental Appeal | RRRR | Sorcery | Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a 7/1 red Elemental creature token with trample and haste. Exile it at the beginning of the next end step. If this spell was kicked, that creature gets +7/+0 until end of turn. |
| Minthara, Merciless Soul | 2WB | Legendary Creature — Elf Cleric | Ward {X}, where X is the number of experience counters you have. At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter. Creatures you control get +1/+0 for each experience counter you have. 2/2 |
| When We Were Young | 3W | Instant | Up to two target creatures each get +2/+2 until end of turn. If you control an artifact and an enchantment, those creatures also gain lifelink until end of turn. |
| Blinding Light | 2W | Sorcery | Tap all nonwhite creatures. |
| Blinkmoth Urn | 5 | Artifact | At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control. |
| Kessig Naturalist | RG | Creature — Human Werewolf | Whenever Kessig Naturalist attacks, add {R} or {G}. Until end of turn, you don't lose this mana as steps and phases end. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) 2/2 |
| Day | 2W | Instant | Creatures target player controls get +1/+1 until end of turn. |