M:tG card similarity search
1UU · Legendary Creature — Spirit
Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability." 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Rainbow Crow | 3U | Creature — Bird | Flying {1}: Rainbow Crow becomes the color of your choice until end of turn. 2/2 |
| Fluctuator | 2 | Artifact | Cycling abilities you activate cost up to {2} less to activate. |
| Lightning Volley | 3R | Instant | Until end of turn, creatures you control gain "{T}: This creature deals 1 damage to any target." |
| Pact of Negation | 0 | Instant | Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game. |
| Spell Burst | XU | Instant | Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell with mana value X. |
| Hidden Ancients | 1G | Enchantment | When an opponent casts an enchantment spell, if Hidden Ancients is an enchantment, Hidden Ancients becomes a 5/5 Treefolk creature. |
| Castle Garenbrig | Land | Castle Garenbrig enters the battlefield tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures. | |
| First Sliver's Chosen | 4W | Creature — Sliver | Sliver creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.) 3/3 |
| Spell Pierce | U | Instant | Counter target noncreature spell unless its controller pays {2}. |
| Obsessive Astronomer | 1R | Creature — Human Wizard | If it's neither day nor night, it becomes day as Obsessive Astronomer enters the battlefield. Whenever day becomes night or night becomes day, discard up to two cards, then draw that many cards. 2/2 |