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 |
|---|---|---|---|
| Selesnya Loft Gardens | Plane — Ravnica | If an effect would create one or more tokens, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent, it puts twice that many of those counters on that permanent instead. Whenever chaos ensues, until end of turn, whenever you tap a land for mana, add one mana of any type that land produced. | |
| The Toymaker's Trap | 2B | Enchantment | At the beginning of your upkeep, secretly choose a number between 1 and 5 that hasn't been chosen. If you do, an opponent guesses which number you chose, then you reveal the number you chose. If they guessed wrong, they lose life equal to the number they guessed and you draw a card. If they guessed right, sacrifice The Toymaker's Trap. |
| Rakdos Guildmage | B/RB/R | Creature — Zombie Shaman | ({B/R} can be paid with either {B} or {R}.) {3}{B}, Discard a card: Target creature gets -2/-2 until end of turn. {3}{R}: Create a 2/1 red Goblin creature token with haste. Exile it at the beginning of the next end step. 2/2 |
| Yule Ooze | 2RG | Creature — Ooze | At the beginning of your upkeep, destroy another nonland permanent chosen at random, then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost. {R}{G}, Eat some food: Regenerate Yule Ooze. 1/1 |
| Shaper Parasite | 1UU | Creature — Illusion | Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Shaper Parasite is turned face up, target creature gets +2/-2 or -2/+2 until end of turn. 2/3 |
| Treasure Nabber | 2R | Creature — Goblin Rogue | Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn. 3/2 |
| Groundswell | G | Instant | Target creature gets +2/+2 until end of turn. Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead. |
| Might of the Nephilim | 1G | Instant | Target creature gets +2/+2 until end of turn for each of its colors. |
| Savage Gorilla | 4G | Creature — Ape | {U}{B}, {T}, Sacrifice Savage Gorilla: Target creature gets -3/-3 until end of turn. Draw a card. 3/3 |
| Gluttonous Troll | 2BG | Creature — Troll | Trample When Gluttonous Troll enters the battlefield, create a number of Food tokens equal to the number of opponents you have. (Food tokens are artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") {1}{G}, Sacrifice another nonland permanent: Gluttonous Troll gets +2/+2 until end of turn. 3/3 |