M:tG card similarity search
2U · Enchantment
Cumulative upkeep {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.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.
| Name | Mana | Type | Text |
|---|---|---|---|
| Glint-Sleeve Siphoner | 1B | Creature — Human Rogue | Menace Whenever Glint-Sleeve Siphoner enters the battlefield or attacks, you get {E} (an energy counter). At the beginning of your upkeep, you may pay {E}{E}. If you do, you draw a card and you lose 1 life. 2/1 |
| Millikin | 2 | Artifact Creature — Construct | {T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.) 0/1 |
| Mariposa Military Base | Land | You may have Mariposa Military Base enter the battlefield tapped. If you do, you get two rad counters. {T}: Add {C}. {5}, {T}: Draw a card. This ability costs {1} less to activate for each rad counter you have. | |
| Pendrell Mists | 3U | Enchantment | All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}." |
| Antarctic Research Base | Plane — Earth | When you planeswalk to Antarctic Research Base and at the beginning of your upkeep, investigate. Whenever chaos ensues, put X +1/+1 counters on target creature you control, where X is the number of artifacts you control. It becomes a Plant in addition to its other types. | |
| Crypt of the Eternals | Land | When Crypt of the Eternals enters the battlefield, you gain 1 life. {T}: Add {C}. {1}, {T}: Add {U}, {B}, or {R}. | |
| Infernal Denizen | 7B | Creature — Demon | At the beginning of your upkeep, sacrifice two Swamps. If you can't, tap Infernal Denizen, and an opponent may gain control of a creature you control of their choice for as long as Infernal Denizen remains on the battlefield. {T}: Gain control of target creature for as long as Infernal Denizen remains on the battlefield. 5/7 |
| Foul-Tongue Invocation | 2B | Instant | As an additional cost to cast this spell, you may reveal a Dragon card from your hand. Target player sacrifices a creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, you gain 4 life. |
| Leyline of Sanctity | 2WW | Enchantment | If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield. You have hexproof. (You can't be the target of spells or abilities your opponents control.) |
| Darba | 3G | Creature — Bird Beast | At the beginning of your upkeep, sacrifice Darba unless you pay {G}{G}. 5/4 |