M:tG card similarity search
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.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Havoc Festival | 4BR | Enchantment | Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up. |
| Roaming Throne | 4 | Artifact Creature — Golem | Ward {2} As Roaming Throne enters the battlefield, choose a creature type. Roaming Throne is the chosen type in addition to its other types. If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time. 4/4 |
| Corrosion | 1BR | Enchantment | Cumulative upkeep {1} (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 your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When Corrosion leaves the battlefield, remove all rust counters from all permanents. |
| Fatal Grudge | BR | Sorcery | As an additional cost to cast this spell, sacrifice a nonland permanent. Each opponent chooses a permanent they control that shares a card type with the sacrificed permanent and sacrifices it. Draw a card. |
| Mycosynth Lattice | 6 | Artifact | All permanents are artifacts in addition to their other types. All cards that aren't on the battlefield, spells, and permanents are colorless. Players may spend mana as though it were mana of any color. |
| Allied Strategies | 4U | Sorcery | Domain — Target player draws a card for each basic land type among lands they control. |
| Hag of Dark Duress | 2B | Creature — Hag Warlock | At the beginning of your upkeep, each opponent discards a card. 2/2 |
| World-Bottling Kit | 5 | Artifact | {5}, Sacrifice World-Bottling Kit: Choose a Magic set. Exile all permanents with that set's expansion symbol except for basic lands. |
| Moonscarred Werewolf | Creature — Werewolf | Vigilance {T}: Add {G}{G}. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Moonscarred Werewolf. 2/2 | |
| Bitter Feud | 4R | Enchantment | As Bitter Feud enters the battlefield, choose two players. If a source controlled by one of the chosen players would deal damage to the other chosen player or a permanent that player controls, that source deals double that damage to that player or permanent instead. |