M:tG card similarity search
3UU · Enchantment
As Psychic Allergy enters the battlefield, choose a color. At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.
| Name | Mana | Type | Text |
|---|---|---|---|
| Sword of the Ages | 6 | Artifact | Sword of the Ages enters the battlefield tapped. {T}, Sacrifice Sword of the Ages and any number of creatures you control: Sword of the Ages deals X damage to any target, where X is the total power of the creatures sacrificed this way, then exile Sword of the Ages and those creature cards. |
| Hellfire Mongrel | 2R | Creature — Elemental Dog | At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Hellfire Mongrel deals 2 damage to that player. 2/2 |
| Hobbit's Sting | 1W | Instant | Hobbit's Sting deals X damage to target creature, where X is the number of creatures you control plus the number of Foods you control. |
| Teferi's Realm | 1UU | World Enchantment | At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.) |
| Terror of Kruin Pass | Creature — Werewolf | Double strike Werewolves you control have menace. (They can't be blocked except by two or more creatures.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Terror of Kruin Pass. 3/3 | |
| Diamond Knight | 3 | Artifact Creature — Knight | Vigilance (Attacking doesn't cause this creature to tap.) As Diamond Knight enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight. 1/1 |
| Sunken Citadel | Land — Cave | Sunken Citadel enters the battlefield tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. {T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources. | |
| Skullcage | 4 | Artifact | At the beginning of each opponent's upkeep, Skullcage deals 2 damage to that player unless they have exactly three or exactly four cards in hand. |
| Temple of the Dragon Queen | Land | As Temple of the Dragon Queen enters the battlefield, you may reveal a Dragon card from your hand. Temple of the Dragon Queen enters the battlefield tapped unless you revealed a Dragon card this way or you control a Dragon. As Temple of the Dragon Queen enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Endless Wurm | 3GG | Creature — Wurm | Trample At the beginning of your upkeep, sacrifice Endless Wurm unless you sacrifice an enchantment. 9/9 |