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 |
|---|---|---|---|
| Gather Courage | G | Instant | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gets +2/+2 until end of turn. |
| Pack's Favor | 2G | Instant | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gets +3/+3 until end of turn. |
| Opal Palace | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game. | |
| Astral Steel | 2W | Instant | Target creature gets +1/+2 until end of turn. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.) |
| Overgrowth | 2G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}{G}. |
| Wild Growth | G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}. |
| Elvish Fury | G | Instant | Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature gets +2/+2 until end of turn. |
| Seething Anger | R | Sorcery | Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature gets +3/+0 until end of turn. |
| Death's-Head Buzzard | 1BB | Creature — Bird | Flying When Death's-Head Buzzard dies, all creatures get -1/-1 until end of turn. 2/1 |
| Festering Newt | B | Creature — Salamander | When Festering Newt dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch. 1/1 |