M:tG card similarity search
UUU · Enchantment
Cumulative upkeep {1}{U}{U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If tapped for mana, Plains produce {R}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Coldsteel Heart | 2 | Snow Artifact | Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color. |
| Shimmerdrift Vale | Snow Land | Shimmerdrift Vale enters the battlefield tapped. As Shimmerdrift Vale enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Uncharted Haven | Land | Uncharted Haven enters the battlefield tapped. As Uncharted Haven enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Replicating Ring | 3 | Snow Artifact | {T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color." |
| Dromoka Dunecaster | W | Creature — Human Wizard | {1}{W}, {T}: Tap target creature without flying. 0/2 |
| Sheoldred, Whispering One | 5BB | Legendary Creature — Phyrexian Praetor | Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature. 6/6 |
| Mystic Skull | 2 | Artifact | {1}, {T}: Add one mana of any color. {5}, {T}: Transform Mystic Skull. |
| Segovian Leviathan | 4U | Creature — Leviathan | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) 3/3 |
| UNIT Headquarters | Plane — Earth | When you planeswalk to UNIT Headquarters and at the beginning of your upkeep, create a tapped 1/1 white Soldier creature token. Whenever chaos ensues, put a +1/+1 counter on each creature you control. | |
| Power Leak | 1U | Enchantment — Aura | Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |