M:tG card similarity search
3 · Legendary Artifact
Blue creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Contemplation | 1WW | Enchantment | Whenever you cast a spell, you gain 1 life. |
| Accident-Prone Apprentice | 1R | Creature — Otter Wizard | Whenever you cast a noncreature spell, Accident-Prone Apprentice perpetually gets +1/+1. This ability also triggers if Accident-Prone Apprentice is in exile. 1/1 |
| Emberstrike Duo | 1B/R | Creature — Elemental Warrior Shaman | Whenever you cast a black spell, Emberstrike Duo gets +1/+1 until end of turn. Whenever you cast a red spell, Emberstrike Duo gains first strike until end of turn. 1/1 |
| 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. |
| Opal Gargoyle | 1W | Enchantment | When an opponent casts a creature spell, if Opal Gargoyle is an enchantment, Opal Gargoyle becomes a 2/2 Gargoyle creature with flying. |
| Hidden Spider | G | Enchantment | When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.) |
| Burst of Strength | G | Instant | Put a +1/+1 counter on target creature and untap it. |
| Sky Scourer | 1B | Creature — Eldrazi Drone | Devoid (This card has no color.) Flying Whenever you cast a colorless spell, Sky Scourer gets +1/+0 until end of turn. 1/2 |
| Hero of the Pride | 1W | Creature — Cat Soldier | Whenever you cast a spell that targets Hero of the Pride, creatures you control get +1/+0 until end of turn. 2/2 |
| Cunning Breezedancer | 4WU | Creature — Dragon | Flying Whenever you cast a noncreature spell, Cunning Breezedancer gets +2/+2 until end of turn. 4/4 |