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 |
|---|---|---|---|
| Cold Snap | 2W | Enchantment | Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each player's upkeep, Cold Snap deals damage to that player equal to the number of snow lands they control. |
| Barbed Battlegear | 3 | Artifact — Equipment | Equipped creature gets +4/-1. Equip {2} |
| Ascendant Evincar | 4BB | Legendary Creature — Phyrexian Vampire Noble | Flying (This creature can't be blocked except by creatures with flying or reach.) Other black creatures get +1/+1. Nonblack creatures get -1/-1. 3/3 |
| Blind Creeper | 1B | Creature — Zombie Beast | Whenever a player casts a spell, Blind Creeper gets -1/-1 until end of turn. 3/3 |
| Highspire Infusion | 1G | Instant | Target creature gets +3/+3 until end of turn. You get {E}{E} (two energy counters). |
| Bloodtallow Candle | 1 | Artifact | {6}, {T}, Sacrifice Bloodtallow Candle: Target creature gets -5/-5 until end of turn. |
| Blight Grenade | 4B | Sorcery | Destroy target creature. All creatures get -3/-3 until end of turn. |
| Goblin Goliath | 4RR | Creature — Goblin Mutant | When Goblin Goliath enters the battlefield, create a number of 1/1 red Goblin creature tokens equal to the number of opponents you have. {3}{R}, {T}: If a source you control would deal damage to an opponent this turn, it deals double that damage to that player instead. 5/4 |
| Malicious Malfunction | 1BB | Sorcery | All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead. |
| Thran Forge | 3 | Artifact | {2}: Until end of turn, target nonartifact creature gets +1/+0 and becomes an artifact in addition to its other types. |