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 |
|---|---|---|---|
| Quicksilver Fountain | 3 | Artifact | At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it. At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them. |
| Mirror of the Forebears | 2 | Artifact | As Mirror of the Forebears enters the battlefield, choose a creature type. {1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types. |
| Littjara | Plane — Kaldheim | When you planeswalk to Littjara and at the beginning of your upkeep, create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.) Whenever chaos ensues, choose a creature type. Put a +1/+1 counter on each creature you control of that type. | |
| Territorial Dispute | 4RR | Enchantment | At the beginning of your upkeep, sacrifice Territorial Dispute unless you sacrifice a land. Players can't play lands. |
| Argent Mutation | 2U | Instant | Target permanent becomes an artifact in addition to its other types until end of turn. Draw a card. |
| Shizuko, Caller of Autumn | 1GG | Legendary Creature — Snake Shaman | At the beginning of each player's upkeep, that player adds {G}{G}{G}. Until end of turn, they don't lose this mana as steps and phases end. 2/3 |
| Cruel Reality | 5BB | Enchantment — Aura Curse | Enchant player At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker. If the player can't, they lose 5 life. |
| Demonic Hordes | 3BBB | Creature — Demon | {T}: Destroy target land. At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice. 5/5 |
| Innocent Traveler | 2BB | Creature — Human | At the beginning of your upkeep, any opponent may sacrifice a creature. If no one does, transform Innocent Traveler. 1/3 |
| Mechanized Production | 2UU | Enchantment — Aura | Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game. |