M:tG card similarity search
UU · Sorcery
Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.
| Name | Mana | Type | Text |
|---|---|---|---|
| Phyrexian Delver | 3BB | Creature — Phyrexian Zombie | When Phyrexian Delver enters the battlefield, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value. 3/2 |
| Vivien, Monsters' Advocate | 3GG | Legendary Planeswalker — Vivien | You may look at the top card of your library any time. You may cast creature spells from the top of your library. [+1]: Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, a reach counter, or a trample counter on it. [−2]: When you next cast a creature spell this turn, search your library for a creature card with lesser mana value, put it onto the battlefield, then shuffle. Loyalty 3 |
| Ulvenwald Hydra | 4GG | Creature — Hydra | Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle. */* |
| Desecrate Reality | 7 | Instant | For each opponent, exile up to one target permanent that player controls with an even mana value. (Zero is even.) Adamant — If at least three colorless mana was spent to cast this spell, return a permanent card with an odd mana value from your graveyard to the battlefield. |
| Great Defender | W | Instant | Target creature gets +0/+X until end of turn, where X is its mana value. |
| Void Winnower | 9 | Creature — Eldrazi | Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. 11/9 |
| Lurking Predators | 4GG | Enchantment | Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library. |
| Etherium Spinner | 2U | Artifact Creature — Human Wizard | Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying. 2/1 |
| Aluren | 2GG | Enchantment | Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash. |
| Access Denied | 3UU | Instant | Counter target spell. Create X 1/1 colorless Thopter artifact creature tokens with flying, where X is that spell's mana value. |