M:tG card similarity search
3 · Artifact
Whenever a creature with toughness 4 or greater is put into your graveyard from the battlefield, you may exile it. At the beginning of the end step, if three or more cards have been exiled with Colfenor's Urn, sacrifice it. If you do, return those cards to the battlefield under their owner's control.
| Name | Mana | Type | Text |
|---|---|---|---|
| Cackling Observer | 1BB | Creature — Imp | Flying When Cackling Observer enters the battlefield, target opponent reveals each nonland card in their hand. You choose one of those cards and exile it. When Cackling Observer leaves the battlefield, the exiled card's owner seeks a nonland card with lesser mana value than the exiled card. 3/1 |
| Nether Traitor | BB | Creature — Spirit | Haste Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever another creature is put into your graveyard from the battlefield, you may pay {B}. If you do, return Nether Traitor from your graveyard to the battlefield. 1/1 |
| Mistmoon Griffin | 3W | Creature — Griffin | Flying When Mistmoon Griffin dies, exile Mistmoon Griffin, then return the top creature card of your graveyard to the battlefield. 2/2 |
| Lingering Death | 1B | Enchantment — Aura | Enchant creature At the beginning of the end step of enchanted creature's controller, that player sacrifices that creature. |
| Slogurk, the Overslime | 1GU | Legendary Creature — Ooze | Trample Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Slogurk, the Overslime. Remove three +1/+1 counters from Slogurk: Return it to its owner's hand. When Slogurk leaves the battlefield, return up to three target land cards from your graveyard to your hand. 3/3 |
| Yasmin Khan | 3R | Legendary Creature — Human Detective | {T}: Exile the top card of your library. Until your next end step, you may play it. Doctor's companion (You can have two commanders if the other is the Doctor.) 3/3 |
| Gandalf of the Secret Fire | 1URW | Legendary Creature — Avatar Wizard | Whenever you cast an instant or sorcery spell from your hand during an opponent's turn, exile that card with three time counters on it instead of putting it into your graveyard as it resolves. Then if the exiled card doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter from that card. When the last is removed, you may play it without paying its mana cost.) 3/4 |
| Waylay | 2W | Instant | Create three 2/2 white Knight creature tokens. Exile them at the beginning of the next cleanup step. |
| Revival Experiment | 4BG | Sorcery | For each permanent type, return up to one card of that type from your graveyard to the battlefield. You lose 3 life for each card returned this way. Exile Revival Experiment. |
| Inventive Iteration | 3U | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter.) I — Return up to one target creature or planeswalker to its owner's hand. II — Return an artifact card from your graveyard to your hand. If you can't, draw a card. III — Exile this Saga, then return it to the battlefield transformed under your control. |