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 |
|---|---|---|---|
| Yahenni's Expertise | 2BB | Sorcery | All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost. |
| Opening Ceremony | 4RR | Sorcery | Add {W}{U}{B}{R}{G}{C}. You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack. |
| Ice Cave | 3UU | Enchantment | Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.) |
| Riven Turnbull | 5UB | Legendary Creature — Human Advisor | {T}: Add {B}. 5/7 |
| Dragon-Kami's Egg | Enchantment Creature — Egg | Whenever Dragon-Kami's Egg or a Dragon you control dies, you may cast a creature spell from among cards you own in exile with hatching counters on them without paying its mana cost. 0/1 | |
| Circle of Dreams Druid | GGG | Creature — Elf Druid | {T}: Add {G} for each creature you control. 2/1 |
| Black Lotus | 0 | Artifact | {T}, Sacrifice Black Lotus: Add three mana of any one color. |
| Mana Geode | 3 | Artifact | When Mana Geode enters the battlefield, scry 1. {T}: Add one mana of any color. |
| Bronze Walrus | 3 | Artifact Creature — Walrus | When Bronze Walrus enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {T}: Add one mana of any color. 2/2 |
| Bloom Tender | 1G | Creature — Elf Druid | {T}: For each color among permanents you control, add one mana of that color. 1/1 |