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 |
|---|---|---|---|
| Scent of Ivy | G | Instant | Reveal any number of green cards in your hand. Target creature gets +X/+X until end of turn, where X is the number of cards revealed this way. |
| Nivix Barrier | 3U | Creature — Illusion Wall | Flash (You may cast this spell any time you could cast an instant.) Defender (This creature can't attack.) When Nivix Barrier enters the battlefield, target attacking creature gets -4/-0 until end of turn. 0/4 |
| Foul Presence | 2B | Enchantment — Aura | Enchant creature Enchanted creature gets -1/-1 and has "{T}: Target creature gets -1/-1 until end of turn." |
| Armorer Guildmage | R | Creature — Human Wizard | {B}, {T}: Target creature gets +1/+0 until end of turn. {G}, {T}: Target creature gets +0/+1 until end of turn. 1/1 |
| Death Match | 3B | Enchantment | Whenever a creature enters the battlefield, that creature's controller may have target creature of their choice get -3/-3 until end of turn. |
| Morkrut Banshee | 3BB | Creature — Spirit | Morbid — When Morkrut Banshee enters the battlefield, if a creature died this turn, target creature gets -4/-4 until end of turn. 4/4 |
| Enemy of Enlightenment | 5B | Enchantment Creature — Demon | Flying Enemy of Enlightenment gets -1/-1 for each card in your opponents' hands. At the beginning of your upkeep, each player discards a card. 5/5 |
| Fertile Ground | 1G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color. |
| Necropolis Fiend | 7BB | Creature — Demon | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Flying {X}, {T}, Exile X cards from your graveyard: Target creature gets -X/-X until end of turn. 4/5 |
| Executioner's Swing | WB | Instant | Target creature that dealt damage this turn gets -5/-5 until end of turn. |