M:tG card similarity search
X4 · Artifact
As Riptide Replicator enters the battlefield, choose a color and a creature type. Riptide Replicator enters the battlefield with X charge counters on it. {4}, {T}: Create an X/X creature token of the chosen color and type, where X is the number of charge counters on Riptide Replicator.
| Name | Mana | Type | Text |
|---|---|---|---|
| Thran Portal | Land — Gate | Thran Portal enters the battlefield tapped unless you control two or fewer other lands. As Thran Portal enters the battlefield, choose a basic land type. Thran Portal is the chosen type in addition to its other types. Mana abilities of Thran Portal cost an additional 1 life to activate. | |
| Cursed Rack | 4 | Artifact | As Cursed Rack enters the battlefield, choose an opponent. The chosen player's maximum hand size is four. |
| Serum Tank | 3 | Artifact | Whenever Serum Tank or another artifact enters the battlefield, put a charge counter on Serum Tank. {3}, {T}, Remove a charge counter from Serum Tank: Draw a card. |
| Brass Herald | 6 | Artifact Creature — Golem | As Brass Herald enters the battlefield, choose a creature type. When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order. Creatures of the chosen type get +1/+1. 2/2 |
| Caged Sun | 6 | Artifact | As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color. |
| An-Zerrin Ruins | 2RR | Enchantment | As An-Zerrin Ruins enters the battlefield, choose a creature type. Creatures of the chosen type don't untap during their controllers' untap steps. |
| Endless Scream | XB | Enchantment — Aura | Enchant creature Endless Scream enters the battlefield with X scream counters on it. Enchanted creature gets +1/+0 for each scream counter on Endless Scream. |
| Psychic Allergy | 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. |
| Faceless Agent | 3 | Creature — Shapeshifter | Changeling When Faceless Agent enters the battlefield, seek a creature card of the most prevalent creature type in your library. 2/2 |
| Black Mana Battery | 4 | Artifact | {2}, {T}: Put a charge counter on Black Mana Battery. {T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way. |