M:tG card similarity search
· Land
When Aether Hub enters the battlefield, you get {E} (an energy counter). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Signpost Scarecrow | 4 | Artifact Creature — Scarecrow | Vigilance {2}: Add one mana of any color. 2/4 | 
| Deathbloom Gardener | 2G | Creature — Elf Druid | Deathtouch {T}: Add one mana of any color. 1/1 | 
| Vault of Catlacan | Legendary Land | (Transforms from Storm the Vault.) {T}: Add one mana of any color. {T}: Add {U} for each artifact you control. | |
| Obsidian Obelisk | 2 | Artifact | Obsidian Obelisk enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a multicolored spell. | 
| The Big Top | Land | {T}: Add one mana of any color that appears on your top. (A top is an outerwear garment worn on the upper body.) | |
| Sylvan Caryatid | 1G | Creature — Plant | Defender, hexproof {T}: Add one mana of any color. 0/3 | 
| Mox Tantalite | Artifact | Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}: Add one mana of any color. | |
| Cultivator's Caravan | 3 | Artifact — Vehicle | {T}: Add one mana of any color. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) 5/5 | 
| Arcum's Astrolabe | S | Snow Artifact | ({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color. | 
| Energy Refractor | 2 | Artifact | When Energy Refractor enters the battlefield, draw a card. {2}: Add one mana of any color. |