M:tG card similarity search
1U · Creature — Sliver
Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. 1/1
| Name | Mana | Type | Text |
|---|---|---|---|
| Sanctum of Tranquil Light | W | Legendary Enchantment — Shrine | {5}{W}: Tap target creature. This ability costs {1} less to activate for each Shrine you control. |
| Hornswoggle | 2U | Instant | Counter target creature spell. You create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") |
| Overwhelming Intellect | 4UU | Instant | Counter target creature spell. Draw cards equal to that spell's mana value. |
| Killing Wave | XB | Sorcery | For each creature, its controller sacrifices it unless they pay X life. |
| Koskun Falls | 2BB | World Enchantment | At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you. |
| Raggadragga, Goreguts Boss | 2RG | Legendary Creature — Human Boar | Each creature you control with a mana ability gets +2/+2. Whenever a creature you control with a mana ability attacks, untap it. Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn. 4/4 |
| Obsessive Astronomer | 1R | Creature — Human Wizard | If it's neither day nor night, it becomes day as Obsessive Astronomer enters the battlefield. Whenever day becomes night or night becomes day, discard up to two cards, then draw that many cards. 2/2 |
| Chandra's Regulator | 1R | Legendary Artifact | Whenever you activate a loyalty ability of a Chandra planeswalker, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. {1}, {T}, Discard a Mountain card or a red card: Draw a card. |
| Opal Archangel | 4W | Enchantment | When an opponent casts a creature spell, if Opal Archangel is an enchantment, Opal Archangel becomes a 5/5 Angel creature with flying and vigilance. |
| Blood Funnel | 1B | Enchantment | Noncreature spells you cast cost {2} less to cast. Whenever you cast a noncreature spell, counter that spell unless you sacrifice a creature. |