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 |
|---|---|---|---|
| Knife and Death | 2BB | Sorcery | Just a second (As long as this spell is on the stack, players can't move permanents.) One at a time, throw ten cards you own from outside the game onto the playing area from a distance of at least three feet (about one meter). For each of those cards, Knife and Death deals 1 damage to each creature or planeswalker you don't control that card is touching. You gain life equal to the damage dealt this way. |
| Animist's Might | 2G | Sorcery | This spell costs {2} less to cast if it targets a legendary creature you control. Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control. |
| Lair of the Ashen Idol | Plane — Azgol | At the beginning of your upkeep, sacrifice a creature. If you can't, planeswalk. Whenever chaos ensues, any number of target players each create a 2/2 black Zombie creature token. | |
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Invoke Prejudice | UUUU | Enchantment | Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value. |
| Starfield of Nyx | 4W | Enchantment | At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value. |
| Venarian Glimmer | XU | Instant | Target player reveals their hand. You choose a nonland card with mana value X or less from it. That player discards that card. |
| Anticognition | 1U | Instant | Counter target creature or planeswalker spell unless its controller pays {2}. If an opponent has eight or more cards in their graveyard, instead counter that spell, then scry 2. |
| Barrin's Codex | 4 | Artifact | At the beginning of your upkeep, you may put a page counter on Barrin's Codex. {4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex. |
| Hearth Kami | 1R | Creature — Spirit | {X}, Sacrifice Hearth Kami: Destroy target artifact with mana value X. 2/1 |