M:tG card similarity search
4 · Artifact
{2}, {T}: Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Bloom Tender | 1G | Creature — Elf Druid | {T}: For each color among permanents you control, add one mana of that color. 1/1 | 
| Swirl the Mists | 2UU | Enchantment | As Swirl the Mists enters the battlefield, choose a color word. All instances of color words in the text of spells and permanents are changed to the chosen color word. | 
| Painter's Servant | 2 | Artifact Creature — Scarecrow | As Painter's Servant enters the battlefield, choose a color. All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors. 1/3 | 
| 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} | 
| Obelisk of Undoing | 1 | Artifact | {6}, {T}: Return target permanent you both own and control to your hand. | 
| Aether Tradewinds | 2U | Instant | Return target permanent you control and target permanent you don't control to their owners' hands. | 
| The Celestus | 3 | Legendary Artifact | If it's neither day nor night, it becomes day as The Celestus enters the battlefield. {T}: Add one mana of any color. {3}, {T}: If it's night, it becomes day. Otherwise, it becomes night. Activate only as a sorcery. Whenever day becomes night or night becomes day, you gain 1 life. You may draw a card. If you do, discard a card. | 
| Lurebound Scarecrow | 3 | Artifact Creature — Scarecrow | As Lurebound Scarecrow enters the battlefield, choose a color. When you control no permanents of the chosen color, sacrifice Lurebound Scarecrow. 4/4 | 
| Sanctuary Blade | 2 | Artifact — Equipment | As Sanctuary Blade becomes attached to a creature, choose a color. Equipped creature gets +2/+0 and has protection from the last chosen color. Equip {3} | 
| Pentarch Paladin | 2WWW | Creature — Human Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) As Pentarch Paladin enters the battlefield, choose a color. {W}{W}, {T}: Destroy target permanent of the chosen color. 3/3 |