M:tG card similarity search
5UU · Legendary Creature — Phyrexian Praetor
Whenever you cast an artifact, instant, or sorcery spell, copy that spell. You may choose new targets for the copy. This ability triggers only once each turn. (A copy of a permanent spell becomes a token.) Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell. This ability triggers only once each turn. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Coal Hill School | Plane — Earth | Whenever a player casts a historic spell, that player draws a card. (Artifacts, legendaries, and Sagas are historic.) Whenever chaos ensues, return target historic card from your graveyard to your hand. | |
| Sworn to the Legion | 4WW | Enchantment | When Sworn to the Legion enters the battlefield, nontoken creatures you control perpetually gain double team. Whenever you cast a creature spell, it perpetually gains double team. |
| Double Negative | UUR | Instant | Counter up to two target spells. |
| Sefris of the Hidden Ways | WUB | Legendary Creature — Human Wizard | Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield. 2/3 |
| Planar Chaos | 2R | Enchantment | At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice Planar Chaos. Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell. |
| Polukranos Reborn | GGG | Legendary Creature — Hydra | Reach {6}{W/P}: Transform Polukranos Reborn. Activate only as a sorcery. ({W/P} can be paid with either {W} or 2 life.) 4/5 |
| Disruption Protocol | UU | Instant | As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell. |
| Nardole, Resourceful Cyborg | 1U | Legendary Artifact Creature — Scientist | {T}: Add {U} for each counter on Nardole. Spend this mana only to cast noncreature spells. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Doctor's companion (You can have two commanders if the other is the Doctor.) 1/2 |
| Akroan Skyguard | 1W | Creature — Human Soldier | Flying Heroic — Whenever you cast a spell that targets Akroan Skyguard, put a +1/+1 counter on Akroan Skyguard. 1/1 |
| Theoretical Duplication | 2U | Instant | Whenever a nontoken creature enters the battlefield under an opponent's control this turn, create a token that's a copy of that creature. |