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 |
|---|---|---|---|
| Study Hall | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game. | |
| Keeper of Kookus | R | Creature — Goblin | {R}: Keeper of Kookus gains protection from red until end of turn. 1/1 |
| Slaughterhorn | 2G | Creature — Beast | Bloodrush — {G}, Discard Slaughterhorn: Target attacking creature gets +3/+2 until end of turn. 3/2 |
| Flailing Manticore | 3R | Creature — Manticore | Flying, first strike {1}: Flailing Manticore gets +1/+1 until end of turn. Any player may activate this ability. {1}: Flailing Manticore gets -1/-1 until end of turn. Any player may activate this ability. 3/3 |
| Shield Mate | W | Creature — Human Soldier | Sacrifice Shield Mate: Target creature gets +0/+4 until end of turn. 1/1 |
| A-Thornmantle Striker | 3B | Creature — Elf Rogue | When Thornmantle Striker enters the battlefield, choose one — • Remove X counters from target permanent, where X is the number of Elves you control. • Target creature an opponent controls gets -X/-X until end of turn, where X is the number of Elves you control. 4/3 |
| Mantle of Leadership | 1W | Enchantment — Aura | Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever a creature enters the battlefield, enchanted creature gets +2/+2 until end of turn. |
| Acrobatic Leap | W | Instant | Target creature gets +1/+3 and gains flying until end of turn. Untap it. |
| Escape from Orthanc | W | Instant | Target creature gets +1/+3 and gains flying until end of turn. Untap it. |
| Wings of the Cosmos | W | Instant | Target creature gets +1/+3 and gains flying until end of turn. Untap it. |