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 |
|---|---|---|---|
| Bruenor Battlehammer | 2RW | Legendary Creature — Dwarf Warrior | Each creature you control gets +2/+0 for each Equipment attached to it. You may pay {0} rather than pay the equip cost of the first equip ability you activate each turn. 5/3 |
| Jubilant Mascot | 2W | Creature — Homunculus | At the beginning of combat on your turn, you may pay {3}{W}. If you do, support 2. (Put a +1/+1 counter on each of up to two other target creatures.) 1/1 |
| Gavi, Nest Warden | 2URW | Legendary Creature — Human Shaman | You may pay {0} rather than pay the cycling cost of the first card you cycle each turn. Whenever you draw your second card each turn, create a 2/2 red and white Dinosaur Cat creature token. 2/5 |
| Mindleech Mass | 5UBB | Creature — Horror | Trample Whenever Mindleech Mass deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost. 6/6 |
| Tidal Bore | 1U | Instant | You may return an Island you control to its owner's hand rather than pay this spell's mana cost. You may tap or untap target creature. |
| Narset, Enlightened Master | 3URW | Legendary Creature — Human Monk | First strike, hexproof Whenever Narset, Enlightened Master attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs. 3/2 |
| Audacious Swap | 3R | Instant | Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.) The owner of target nonenchantment permanent shuffles it into their library, then exiles the top card of their library. If it's a land card, they put it onto the battlefield. Otherwise, they may cast it without paying its mana cost. |
| Drought | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Drought unless you pay {W}{W}. Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs. Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs. |
| Mirrored Depths | Plane — Karsus | Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. | |
| Lifecrafter's Bestiary | 3 | Artifact | At the beginning of your upkeep, scry 1. Whenever you cast a creature spell, you may pay {G}. If you do, draw a card. |