M:tG card similarity search
1 · Artifact
{T}, Tap an untapped creature you control: Add one mana of any color.
| Name | Mana | Type | Text |
|---|---|---|---|
| Horizon Stone | 5 | Artifact | If you would lose unspent mana, that mana becomes colorless instead. |
| Training Grounds | U | Enchantment | Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. |
| Riven Turnbull | 5UB | Legendary Creature — Human Advisor | {T}: Add {B}. 5/7 |
| Desperate Ritual | 1R | Instant — Arcane | Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.) |
| Goblin War Wagon | 4 | Artifact Creature — Juggernaut | Goblin War Wagon doesn't untap during your untap step. At the beginning of your upkeep, you may pay {2}. If you do, untap Goblin War Wagon. 3/3 |
| Brass Man | 1 | Artifact Creature — Construct | Brass Man doesn't untap during your untap step. At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Man. 1/3 |
| Berg Strider | 4U | Snow Creature — Giant Wizard | When Berg Strider enters the battlefield, tap target artifact or creature an opponent controls. If {S} was spent to cast this spell, that permanent doesn't untap during its controller's next untap step. ({S} is mana from a snow source.) 4/4 |
| Addle | 1B | Sorcery | Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card. |
| Prismatic Dragon | 2WW | Summon Dragon | Flying During your upkeep, Prismatic Dragon becomes a random color permanently. {2}: Prismatic Dragon becomes a random color permanently. 2/3 |
| Merrow Reejerey | 2U | Creature — Merfolk Soldier | Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent. 2/2 |