M:tG card similarity search
4 · Artifact
{T}: The next face-down creature spell you cast this turn costs {3} less to cast. If turning a face-down permanent face up causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
| Name | Mana | Type | Text |
|---|---|---|---|
| Nemesis of Mortals | 4GG | Creature — Snake | This spell costs {1} less to cast for each creature card in your graveyard. {7}{G}{G}: Monstrosity 5. This ability costs {1} less to activate for each creature card in your graveyard. (If this creature isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.) 5/5 |
| Disallow | 1UU | Instant | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) |
| Voidslime | GUU | Instant | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) |
| Overcharged Amalgam | 2UU | Creature — Zombie Horror | Flash Flying Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Overcharged Amalgam exploits a creature, counter target spell, activated ability, or triggered ability. 3/3 |
| Naiad of Hidden Coves | 2U | Enchantment Creature — Nymph | As long as it's not your turn, spells you cast cost {1} less to cast. 2/3 |
| Training Grounds | U | Enchantment | Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. |
| Heartstone | 3 | Artifact | Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana. |
| Curator of Sun's Creation | 3R | Creature — Human Artificer | Whenever you discover, discover again for the same value. This ability triggers only once each turn. 3/3 |
| Thornscape Familiar | 1G | Creature — Insect | Red spells and white spells you cast cost {1} less to cast. 2/1 |
| The Sixth Doctor | 4GU | Legendary Creature — Time Lord Doctor | Time Lord's Prerogative — Whenever you cast a historic spell, copy it, except the copy isn't legendary. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic. A copy of a permanent spell becomes a token.) 3/3 |