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 |
|---|---|---|---|
| Master Biomancer | 2GU | Creature — Elf Wizard | Each other creature you control enters the battlefield with a number of additional +1/+1 counters on it equal to Master Biomancer's power and as a Mutant in addition to its other types. 2/4 |
| Teferi Akosa of Zhalfir | Legendary Planeswalker — Teferi | [+1]: Draw two cards. Then discard two cards unless you discard a creature card. [−2]: You get an emblem with "Knights you control get +1/+0 and have ward {1}." [−3]: Tap any number of untapped creatures you control. When you do, shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library, where X is the number of creatures tapped this way. Loyalty 4 | |
| Reverse the Sands | 6WW | Sorcery | Redistribute any number of players' life totals. (Each of those players gets one life total back.) |
| Tattermunge Duo | 2R/G | Creature — Goblin Warrior Shaman | Whenever you cast a red spell, Tattermunge Duo gets +1/+1 until end of turn. Whenever you cast a green spell, Tattermunge Duo gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.) 2/3 |
| Coordinated Charge | 4W | Instant | Creatures you control get +2/+1 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Parapet Watchers | 2U | Creature — Kithkin Soldier | {W/U}: Parapet Watchers gets +0/+1 until end of turn. 2/2 |
| Vodalian War Machine | 1UU | Creature — Wall | Defender (This creature can't attack.) Tap an untapped Merfolk you control: Vodalian War Machine can attack this turn as though it didn't have defender. Tap an untapped Merfolk you control: Vodalian War Machine gets +2/+1 until end of turn. When Vodalian War Machine dies, destroy all Merfolk tapped this turn to pay for its abilities. 0/4 |
| Copper Tablet | 2 | Artifact | At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player. |
| Conjured Currency | 5U | Enchantment | At the beginning of your upkeep, you may exchange control of Conjured Currency and target permanent you neither own nor control. |
| Rally the Peasants | 2W | Instant | Creatures you control get +2/+0 until end of turn. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |