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 |
|---|---|---|---|
| Collapsing Borders | 3R | Enchantment | Domain — At the beginning of each player's upkeep, that player gains 1 life for each basic land type among lands they control. Then Collapsing Borders deals 3 damage to that player. |
| Tolaria | Legendary Land | {T}: Add {U}. {T}: Target creature loses banding and all "bands with other" abilities until end of turn. Activate only during any upkeep step. | |
| Mask of Intolerance | 2 | Artifact | At the beginning of each player's upkeep, if there are four or more basic land types among lands that player controls, Mask of Intolerance deals 3 damage to that player. |
| Dragonborn Immolator | 3R | Creature — Dragon Shaman | {2}{R}: Dragonborn Immolator gets +1/+0 until end of turn. Gift of Tiamat — When Dragonborn Immolator dies, if its power is greater than 0, note its power. You get a one-time boon with "When you cast a creature spell, it perpetually gets +X/+0, where X is the noted number." 2/4 |
| Elkin Lair | 3R | World Enchantment | At the beginning of each player's upkeep, that player exiles a card at random from their hand. The player may play that card this turn. At the beginning of the next end step, if the player hasn't played the card, they put it into their graveyard. |
| Spiritual Sanctuary | 2WW | Enchantment | At the beginning of each player's upkeep, if that player controls a Plains, they gain 1 life. |
| On the Job | 2WW | Instant | Creatures you control get +2/+1 until end of turn. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") |
| Qarsi Deceiver | 1U | Creature — Naga Wizard | {T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.) 0/4 |
| Starlight Spectacular | 2WW | Enchantment | Parade! — At the beginning of combat on your turn, choose creatures you control one at a time until each creature you control has been chosen. Each of those creatures gets +1/+1 until end of turn for each creature chosen before it. (Places everyone! The first creature in line gets +0/+0.) |
| Grafted Exoskeleton | 4 | Artifact — Equipment | Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent. Equip {2} |