M:tG card similarity search
1BB · Legendary Creature — Rat Ninja
Ninjutsu {2}{B} ({2}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost. 3/2
| Name | Mana | Type | Text |
|---|---|---|---|
| A-Fires of Invention | 4R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Djinn of Wishes | 3UU | Creature — Djinn | Flying Djinn of Wishes enters the battlefield with three wish counters on it. {2}{U}{U}, Remove a wish counter from Djinn of Wishes: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it. 4/4 |
| Memory Vampire | 4UB | Creature — Vampire Detective | Flying Whenever Memory Vampire deals combat damage to a player, any number of target players each mill that many cards. Then you may collect evidence 9. When you do, you may cast target nonland card from defending player's graveyard without paying its mana cost. 4/4 |
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Lidless Gaze | 2BR | Sorcery | Exile the top card of each player's library. Until the end of your next turn, you may play those cards, and mana of any type can be spent to cast them. Flashback {2}{B}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Darksteel Monolith | 8 | Artifact | Indestructible Once each turn, you may pay {0} rather than pay the mana cost for a colorless spell that you cast from your hand. |
| Epic Experiment | XUR | Sorcery | Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard. |
| Swindler's Scheme | 2U | Enchantment | Whenever an opponent casts a spell from their hand, you may reveal the top card of your library. If it shares a card type with that spell, counter that spell and that opponent may cast the revealed card without paying its mana cost. |
| Fist of Suns | 3 | Artifact | You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast. |