M:tG card similarity search
XB · Artifact
Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.
| Name | Mana | Type | Text |
|---|---|---|---|
| March of the Machines | 3U | Enchantment | Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value. (Equipment that's a creature can't equip a creature.) |
| Hit | 1BR | Instant | Target player sacrifices an artifact or creature. Hit deals damage to that player equal to that permanent's mana value. |
| Engulf the Shore | 3U | Instant | Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control. |
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Hydradoodle | XXGG | Creature — Hydra Dog | As Hydradoodle enters the battlefield, roll X six-sided dice. Hydradoodle enters the battlefield with a number of +1/+1 counters on it equal to the total of those results. Reach, trample 0/0 |
| Oath of Jace | 2U | Legendary Enchantment | When Oath of Jace enters the battlefield, draw three cards, then discard two cards. At the beginning of your upkeep, scry X, where X is the number of planeswalkers you control. |
| Sleuth Instructor | 1W | Creature — Elephant Detective | Disguise {1}{W} Whenever Sleuth Instructor or another permanent you control is turned face up, seek a non-Elephant creature card with mana value 3 or less and cloak it. This ability triggers only once. 3/2 |
| Vadrok, Apex of Thunder | URW | Legendary Creature — Elemental Dinosaur Cat | Mutate {1}{W/U}{R}{R} (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.) Flying, first strike Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost. 3/3 |
| Enchanter's Bane | 1R | Enchantment | At the beginning of your end step, target enchantment deals damage equal to its mana value to its controller unless that player sacrifices it. |
| Passionate Archaeologist | 1R | Legendary Enchantment — Background | Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target opponent." |