M:tG card similarity search
6 · Artifact Creature — Construct
Prototype {3}{U} — 3/3 When Warzone Duplicator enters the battlefield, return target creature an opponent controls with power less than Warzone Duplicator's power to its owner's hand. If that creature wasn't a token, conjure a duplicate of it into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 6/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Opal Palace | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game. | |
| Mech Hangar | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Pilot or Vehicle spell. {3}, {T}: Target Vehicle becomes an artifact creature until end of turn. | |
| Sylvan Caryatid | 1G | Creature — Plant | Defender, hexproof {T}: Add one mana of any color. 0/3 |
| Delighted Halfling | G | Creature — Halfling Citizen | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered. 1/2 |
| Unsubstantiate | 1U | Instant | Return target spell or creature to its owner's hand. |
| Xanathar, Guild Kingpin | 4UB | Legendary Creature — Beholder | At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. 5/6 |
| Corrupted Crossroads | Land | {T}: Add {C}. ({C} represents colorless mana.) {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid. | |
| Siphon Insight | UB | Instant | Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. Flashback {1}{U}{B} |
| Guildmages' Forum | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color. If that mana is spent on a multicolored creature spell, that creature enters the battlefield with an additional +1/+1 counter on it. | |
| Thieving Varmint | 1B | Creature — Varmint | Deathtouch, lifelink {T}, Pay 1 life: Add two mana of any one color. Spend this mana only to cast spells you don't own. 2/1 |