M:tG card similarity search
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
| Name | Mana | Type | Text | 
|---|---|---|---|
| Undead Warchief | 2BB | Creature — Zombie | Zombie spells you cast cost {1} less to cast. Zombie creatures you control get +2/+1. 1/1 | 
| Jeweled Torque | 2 | Artifact | As Jeweled Torque enters the battlefield, choose a color. Whenever a player casts a spell of the chosen color, you may pay {2}. If you do, you gain 2 life. | 
| Viconia, Disciple of Strength | 1BG | Legendary Creature — Elf Cleric | When this creature specializes, conjure a duplicate of target creature card exiled with this creature into your hand. The duplicate perpetually gets +2/+2 and gains "You may spend mana as though it were mana of any color to cast this spell." {1}: Exile target card from a graveyard. 3/4 | 
| Blind Obedience | 1W | Enchantment | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter the battlefield tapped. | 
| Nils, Discipline Enforcer | 2W | Legendary Creature — Human Cleric | At the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls. Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays {X}, where X is the number of counters on that creature. 2/2 | 
| Corpses of the Lost | 2B | Enchantment | Skeletons you control get +1/+0 and have haste. When Corpses of the Lost enters the battlefield, create a 2/2 black Skeleton Pirate creature token. At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return Corpses of the Lost to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.) | 
| Nullhide Ferox | 2GG | Creature — Beast | Hexproof You can't cast noncreature spells. {2}: Nullhide Ferox loses all abilities until end of turn. Any player may activate this ability. If a spell or ability an opponent controls causes you to discard Nullhide Ferox, put it onto the battlefield instead of putting it into your graveyard. 6/6 | 
| Wand of Ith | 4 | Artifact | {3}, {T}: Target player reveals a card at random from their hand. If it's a land card, that player discards it unless they pay 1 life. If it isn't a land card, the player discards it unless they pay life equal to its mana value. Activate only during your turn. | 
| Myrsmith | 1W | Creature — Human Artificer | Whenever you cast an artifact spell, you may pay {1}. If you do, create a 1/1 colorless Myr artifact creature token. 2/1 | 
| Arni Metalbrow | 2R | Legendary Creature — Human Berserker | Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking. 3/3 |