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 |
|---|---|---|---|
| Chandra, Flame's Catalyst | 4RR | Legendary Planeswalker — Chandra | [+1]: Chandra, Flame's Catalyst deals 3 damage to each opponent. [−2]: You may cast target red instant or sorcery card from your graveyard. If that spell would be put into your graveyard, exile it instead. [−8]: Discard your hand, then draw seven cards. Until end of turn, you may cast spells from your hand without paying their mana costs. Loyalty 5 |
| Elite Arcanist | 3U | Creature — Human Wizard | When Elite Arcanist enters the battlefield, you may exile an instant card from your hand. {X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card. 1/1 |
| Glint-Sleeve Siphoner | 1B | Creature — Human Rogue | Menace Whenever Glint-Sleeve Siphoner enters the battlefield or attacks, you get {E} (an energy counter). At the beginning of your upkeep, you may pay {E}{E}. If you do, you draw a card and you lose 1 life. 2/1 |
| Oakshade Stalker | 2G | Creature — Human Ranger Werewolf | You may cast Oakshade Stalker as though it had flash if you pay {2} more to cast it. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) 3/3 |
| Leyline of Lightning | 2RR | Enchantment | If Leyline of Lightning is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If you do, Leyline of Lightning deals 1 damage to target player or planeswalker. |
| Mind Whip | 2BB | Enchantment — Aura | Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay {3}. If they don't, Mind Whip deals 2 damage to that player and you tap that creature. |
| Soul Tithe | 1W | Enchantment — Aura | Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value. |
| Ziatora's Envoy | 1BRG | Creature — Viashino Warrior | Trample Whenever Ziatora's Envoy deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand. Blitz {2}{B}{R}{G} 5/4 |
| Sentry Bot | 4W | Artifact Creature — Robot | Flash This spell costs {1} less to cast for each creature attacking you. When Sentry Bot enters the battlefield, you get {E} for each creature attacking you. At the beginning of combat on your turn, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on each creature you control. 2/5 |
| Aura Flux | 2U | Enchantment | Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}." |