M:tG card similarity search
3 · Legendary Artifact
If it's neither day nor night, it becomes day as The Celestus enters the battlefield. {T}: Add one mana of any color. {3}, {T}: If it's night, it becomes day. Otherwise, it becomes night. Activate only as a sorcery. Whenever day becomes night or night becomes day, you gain 1 life. You may draw a card. If you do, discard a card.
| Name | Mana | Type | Text |
|---|---|---|---|
| Author of Shadows | 4B | Creature — Shade Warlock | When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 3/3 |
| Kessig | Plane — Innistrad | Prevent all combat damage that would be dealt by non-Werewolf creatures. Whenever chaos ensues, each creature you control gets +2/+2, gains trample, and becomes a Werewolf in addition to its other types until end of turn. | |
| Sylvan Library | 1G | Enchantment | At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library. |
| Whispering Madness | 2UB | Sorcery | Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) |
| No Quarter | 3R | Enchantment | Whenever a creature becomes blocked by a creature with lesser power, destroy the blocking creature. Whenever a creature blocks a creature with lesser power, destroy the attacking creature. |
| Skeleton Key | 1 | Artifact — Equipment | Equipped creature has skulk. (It can't be blocked by creatures with greater power.) Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card. Equip {2} |
| Surging Dementia | 1B | Sorcery | Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.) Target player discards a card. |
| Anvil of Bogardan | 2 | Artifact | Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card. |
| Zombie Trailblazer | BBB | Creature — Zombie Scout | Tap an untapped Zombie you control: Target land becomes a Swamp until end of turn. Tap an untapped Zombie you control: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) 2/2 |
| Armory Automaton | 3 | Artifact Creature — Construct | Whenever Armory Automaton enters the battlefield or attacks, you may attach any number of target Equipment to it. (Control of the Equipment doesn't change.) 2/2 |