M:tG card similarity search
3BB · Artifact — Vehicle
When Foreboding Steamboat enters the battlefield, each player chooses two nontoken, non-Vehicle creatures they control. Exile them until Foreboding Steamboat leaves the battlefield. Whenever Foreboding Steamboat attacks, put a card exiled with it into its owner's graveyard. If you do, investigate. Crew 2 5/7
| Name | Mana | Type | Text | 
|---|---|---|---|
| Skanos, Green Dragon Vassal | 4GG | Legendary Creature — Dragon Ranger | Vigilance Whenever Skanos, Green Dragon Vassal attacks, untap another target attacking creature. It gets +X/+0 until end of turn, where X is Skanos's power. 6/6 | 
| Curse of Opulence | R | Enchantment — Aura Curse | Enchant player Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this artifact: Add one mana of any color.") | 
| Kianne, Dean of Substance | 2G | Legendary Creature — Elf Druid | {T}: Exile the top card of your library. If it's a land card, put it into your hand. Otherwise, put a study counter on it. {4}{G}: Create a 0/0 green and blue Fractal creature token. Put a +1/+1 counter on it for each different mana value among nonland cards you own in exile with study counters on them. 2/2 | 
| Shell of the Last Kappa | 3 | Legendary Artifact | {3}, {T}: Exile target instant or sorcery spell that targets you. (The spell has no effect.) {3}, {T}, Sacrifice Shell of the Last Kappa: You may cast a spell from among cards exiled with Shell of the Last Kappa without paying its mana cost. | 
| Clone | 3U | Creature — Shapeshifter | You may have Clone enter the battlefield as a copy of any creature on the battlefield. 0/0 | 
| Conduit of Emrakul | Creature — Eldrazi Werewolf | Whenever Conduit of Emrakul attacks, add {C}{C} at the beginning of your next main phase this turn. 5/4 | |
| Fathom Fleet Swordjack | 3R | Creature — Orc Pirate | Whenever Fathom Fleet Swordjack attacks, it deals damage to the player or planeswalker it's attacking equal to the number of artifacts you control. Encore {5}{R} ({5}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 4/3 | 
| Gouged Zealot | 3R | Creature — Cyclops Berserker | Reach Delirium — Whenever Gouged Zealot attacks, if there are four or more card types among cards in your graveyard, Gouged Zealot deals 1 damage to each creature defending player controls. 4/3 | 
| Terra Ravager | 2RR | Creature — Elemental Beast | Whenever Terra Ravager attacks, it gets +X/+0 until end of turn, where X is the number of lands defending player controls. 0/4 | 
| Hauken's Insight | Legendary Enchantment | At the beginning of your upkeep, exile the top card of your library face down. You may look at that card for as long as it remains exiled. Once during each of your turns, you may play a land or cast a spell from among the cards exiled with this permanent without paying its mana cost. |