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 |
|---|---|---|---|
| Galvanoth | 3RR | Creature — Beast | At the beginning of your upkeep, you may look at the top card of your library. You may cast it without paying its mana cost if it's an instant or sorcery spell. 3/3 |
| Deadly Rollick | 3B | Instant | If you control a commander, you may cast this spell without paying its mana cost. Exile target creature. |
| Fierce Guardianship | 2U | Instant | If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. |
| Rushwood Legate | 2G | Creature — Dryad | If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost. 2/1 |
| Rouse | 1B | Instant | If you control a Swamp, you may pay 2 life rather than pay this spell's mana cost. Target creature gets +2/+0 until end of turn. |
| Stalwart Valkyrie | 3W | Creature — Angel Warrior | You may pay {1}{W} and exile a creature card from your graveyard rather than pay this spell's mana cost. Flying 3/2 |
| Adarkar Unicorn | 1WW | Creature — Unicorn | {T}: Add {U} or {C}{U}. Spend this mana only to pay cumulative upkeep costs. 2/2 |
| Twinning Glass | 4 | Artifact | {1}, {T}: You may cast a spell from your hand without paying its mana cost if it has the same name as a spell that was cast this turn. |
| Bringer of the Red Dawn | 7RR | 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 untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. 5/5 |
| Demon of Death's Gate | 6BBB | Creature — Demon | You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost. Flying, trample 9/9 |