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 |
|---|---|---|---|
| Omniscience | 7UUU | Enchantment | You may cast spells from your hand without paying their mana costs. |
| Admiral's Order | 1UU | Instant | Raid — If you attacked this turn, you may pay {U} rather than pay this spell's mana cost. Counter target spell. |
| Bringer of the Green Dawn | 7GG | Creature — Bringer | You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost. Trample At the beginning of your upkeep, you may create a 3/3 green Beast creature token. 5/5 |
| Hand of Emrakul | 9 | Creature — Eldrazi | You may sacrifice four Eldrazi Spawn rather than pay this spell's mana cost. Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.) 7/7 |
| Raffine's Guidance | W | Enchantment — Aura | Enchant creature Enchanted creature gets +1/+1. You may cast Raffine's Guidance from your graveyard by paying {2}{W} rather than paying its mana cost. |
| Ravenous Trap | 2BB | Instant — Trap | If an opponent had three or more cards put into their graveyard from anywhere this turn, you may pay {0} rather than pay this spell's mana cost. Exile target player's graveyard. |
| Kyren Legate | 1R | Creature — Goblin | If an opponent controls a Plains and you control a Mountain, you may cast this spell without paying its mana cost. Haste 1/1 |
| Zahid, Djinn of the Lamp | 4UU | Legendary Creature — Djinn | You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost. Flying 5/6 |
| Widespread Thieving | 2R | Enchantment | Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever you cast a multicolored spell, create a Treasure token. Then you may pay {W}{U}{B}{R}{G}. If you do, you may play the exiled card without paying its mana cost. |
| Baleful Mastery | 3B | Instant | You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker. |