M:tG card similarity search
4BR · Legendary Creature — Goblin Rogue
When Grenzo enters the battlefield and at the beginning of your upkeep, heist target opponent's library. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own. 6/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Whiplash Trap | 3UU | Instant — Trap | If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Return two target creatures to their owners' hands. |
| Saprazzan Legate | 3U | Creature — Merfolk Soldier | If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost. Flying 1/3 |
| Descendants' Path | 2G | Enchantment | At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library. |
| Cho-Arrim Legate | 2W | Creature — Human Soldier | If an opponent controls a Swamp and you control a Plains, you may cast this spell without paying its mana cost. Protection from black 1/2 |
| Runeflare Trap | 4RR | Instant — Trap | If an opponent drew three or more cards this turn, you may pay {R} rather than pay this spell's mana cost. Runeflare Trap deals damage to target player equal to the number of cards in that player's hand. |
| Baloth Cage Trap | 3GG | Instant — Trap | If an opponent had an artifact enter the battlefield under their control this turn, you may pay {1}{G} rather than pay this spell's mana cost. Create a 4/4 green Beast creature token. |
| Patrician's Scorn | 3W | Instant | If you've cast another white spell this turn, you may cast this spell without paying its mana cost. Destroy all enchantments. |
| As Foretold | 2U | Enchantment | At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold. |
| Refreshing Rain | 3G | Instant | If an opponent controls a Swamp and you control a Forest, you may cast this spell without paying its mana cost. Target player gains 6 life. |
| Mind's Dilation | 5UU | Enchantment | Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. |