M:tG card similarity search
1G · Creature — Naga Druid
{T}: Add one mana of any type that a land you control could produce. 1/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Shelldock Isle | Land | Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Shelldock Isle enters the battlefield tapped. {T}: Add {U}. {U}, {T}: You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it. | |
| Temporal Eddy | 2UU | Sorcery | Put target creature or land on top of its owner's library. | 
| Astral Arena | Plane — Kolbahan | No more than one creature can attack each combat. No more than one creature can block each combat. Whenever chaos ensues, Astral Arena deals 2 damage to each creature. | |
| Prophetic Titan | 4UR | Creature — Giant Wizard | Delirium — When Prophetic Titan enters the battlefield, choose one. If there are four or more card types among cards in your graveyard, choose both instead. • Prophetic Titan deals 4 damage to any target. • Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order. 4/4 | 
| Tundra Fumarole | 1RR | Snow Sorcery | Tundra Fumarole deals 4 damage to target creature or planeswalker. Add {C} for each {S} spent to cast this spell. Until end of turn, you don't lose this mana as steps and phases end. ({S} is mana from a snow source.) | 
| The Mightstone and Weakstone | 5 | Legendary Artifact — Powerstone | When The Mightstone and Weakstone enters the battlefield, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.) | 
| 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. | 
| Fallaji Wayfarer | 2G | Creature — Human Scout | Fallaji Wayfarer is all colors. This ability doesn't affect its color identity. (It can be in any deck whose commander's color identity includes green.) Multicolored spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a multicolored spell pays for {1} or one mana of a color that creature is.) 2/4 | 
| Curse of Hospitality | 2R | Enchantment — Aura Curse | Enchant player Creatures attacking enchanted player have trample. Whenever a creature deals combat damage to enchanted player, that player exiles the top card of their library. Until end of turn, that creature's controller may play that card and they may spend mana as though it were mana of any color to cast that spell. | 
| Arixmethes, Slumbering Isle | 2GU | Legendary Creature — Kraken | Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it. As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.) Whenever you cast a spell, you may remove a slumber counter from Arixmethes. {T}: Add {G}{U}. 12/12 |