M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Veiled Sentry | U | Enchantment | When an opponent casts a spell, if Veiled Sentry is an enchantment, Veiled Sentry becomes an Illusion creature with power and toughness each equal to that spell's mana value. |
| Gideon of the Trials | 1WW | Legendary Planeswalker — Gideon | [+1]: Until your next turn, prevent all damage target permanent would deal. [0]: Until end of turn, Gideon of the Trials becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. [0]: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game and your opponents can't win the game." Loyalty 3 |
| Unstable Frontier | Land | {T}: Add {C}. {T}: Target land you control becomes the basic land type of your choice until end of turn. | |
| Opal Lake Gatekeepers | 3U | Creature — Vedalken Soldier | When Opal Lake Gatekeepers enters the battlefield, if you control two or more Gates, you may draw a card. 2/4 |
| Crypt Lurker | 3B | Creature — Horror | When Crypt Lurker enters the battlefield, you may sacrifice a creature or discard a creature card. If you do, draw a card. 3/4 |
| Thrill of Possibility | 1R | Instant | As an additional cost to cast this spell, discard a card. Draw two cards. |
| Tormenting Voice | 1R | Sorcery | As an additional cost to cast this spell, discard a card. Draw two cards. |
| Wild Guess | RR | Sorcery | As an additional cost to cast this spell, discard a card. Draw two cards. |
| Cavern Whisperer | 4B | Creature — Nightmare | Mutate {3}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature mutates, each opponent discards a card. 4/4 |
| Senate Guildmage | WU | Creature — Human Wizard | {W}, {T}: You gain 2 life. {U}, {T}: Draw a card, then discard a card. 2/2 |