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 |
|---|---|---|---|
| Nahiri, Forged in Fury | 4RW | Legendary Creature — Kor Artificer | Affinity for Equipment (This spell costs {1} less to cast for each Equipment you control.) Whenever an equipped creature you control attacks, exile the top card of your library. You may play that card this turn. You may cast Equipment spells this way without paying their mana costs. 5/4 |
| Force of Virtue | 2WW | Enchantment | If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost. Flash Creatures you control get +1/+1. |
| Contagion | 3BB | Instant | You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost. Distribute two -2/-1 counters among one or two target creatures. |
| Bloodthirsty Adversary | 1R | Creature — Vampire | Haste When Bloodthirsty Adversary enters the battlefield, you may pay {2}{R} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Bloodthirsty Adversary, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs. 2/2 |
| Sephara, Sky's Blade | 4WWW | Legendary Creature — Angel | You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost. Flying, lifelink Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.) 7/7 |
| Downhill Charge | 2R | Instant | You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control. |
| Essence Leak | U | Enchantment — Aura | Enchant permanent As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost." |
| Wildfire Devils | 3R | Creature — Devil | When Wildfire Devils enters the battlefield and at the beginning of your upkeep, choose a player at random. That player exiles an instant or sorcery card from their graveyard. Copy that card. You may cast the copy without paying its mana cost. 4/2 |
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |
| Daze | 1U | Instant | You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}. |