M:tG card similarity search
1U · Artifact — Clue
As Ominous Lockbox enters the battlefield, secretly choose a number between 1 and 20. When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy. {2}, Sacrifice Ominous Lockbox: Draw a card.
| Name | Mana | Type | Text |
|---|---|---|---|
| Grave Peril | 1B | Enchantment | When a nonblack creature enters the battlefield, sacrifice Grave Peril. If you do, destroy that creature. |
| Verdant Eidolon | 3G | Creature — Spirit | {G}, Sacrifice Verdant Eidolon: Add three mana of any one color. Whenever you cast a multicolored spell, you may return Verdant Eidolon from your graveyard to your hand. 2/2 |
| Comet, Stellar Pup | 2RW | Legendary Planeswalker — Comet | [0]: Roll a six-sided die. 1 or 2 — [+2], then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn. 3 — [−1], then return a card with mana value 2 or less from your graveyard to your hand. 4 or 5 — Comet, Stellar Pup deals damage equal to the number of loyalty counters on him to a creature or player, then [−2]. 6 — [+1], and you may activate Comet, Stellar Pup's loyalty ability two more times this turn. Loyalty 5 |
| Saruman, the White Hand | 1UBR | Legendary Creature — Avatar Wizard | Whenever you cast a noncreature spell, amass Orcs X, where X is that spell's mana value. (Put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Goblins and Orcs you control have ward {2}. 2/5 |
| Sram, Senior Edificer | 1W | Legendary Creature — Dwarf Advisor | Whenever you cast an Aura, Equipment, or Vehicle spell, draw a card. 2/2 |
| Synod Centurion | 4 | Artifact Creature — Construct | When you control no other artifacts, sacrifice Synod Centurion. 4/4 |
| Jhoira, Weatherlight Captain | 2UR | Legendary Creature — Human Artificer | Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.) 3/3 |
| Deepglow Skate | 4U | Creature — Fish | When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents. 3/3 |
| The Ruinous Powers | 2BR | Enchantment | At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value. |
| Glimpse of Nature | G | Sorcery | Whenever you cast a creature spell this turn, draw a card. |