M:tG card similarity search
G · Legendary Enchantment
When Oath of Nissa enters the battlefield, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You may spend mana as though it were mana of any color to cast planeswalker spells.
| Name | Mana | Type | Text |
|---|---|---|---|
| Saheeli's Directive | XRRR | Sorcery | Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.) Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard. |
| Mox Diamond | 0 | Artifact | If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add one mana of any color. |
| Junkyard Scrapper | 2R | Creature — Goblin Artificer | Whenever a nontoken artifact enters the battlefield under your control, exile a random nonland artifact card with lesser mana value from your library. You may cast that card until the end of your next turn. 3/3 |
| Intrepid Stablemaster | 1G | Creature — Human Scout | Reach {T}: Add {G}. {T}: Add two mana of any one color. Spend this mana only to cast Mount or Vehicle spells. 2/2 |
| Wanderguard Sentry | 4U | Creature — Drone | When Wanderguard Sentry enters the battlefield, look at target opponent's hand. 3/3 |
| Arcum's Astrolabe | S | Snow Artifact | ({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color. |
| Energy Refractor | 2 | Artifact | When Energy Refractor enters the battlefield, draw a card. {2}: Add one mana of any color. |
| Prophetic Prism | 2 | Artifact | When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color. |
| 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. |
| 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 |