M:tG card similarity search
3UU · Enchantment
When Duplicity enters the battlefield, exile the top five cards of your library face down. At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Duplicity into your hand. At the beginning of your end step, discard a card. When you lose control of Duplicity, put all cards exiled with Duplicity into their owner's graveyard.
| Name | Mana | Type | Text |
|---|---|---|---|
| Diabolic Revelation | X3BB | Sorcery | Search your library for up to X cards, put those cards into your hand, then shuffle. |
| Leyline of Singularity | 2UU | Enchantment | If Leyline of Singularity is in your opening hand, you may begin the game with it on the battlefield. All nonland permanents are legendary. |
| Furious Spinesplitter | 2R/GR/G | Creature — Ogre Warrior | Trample At the beginning of your end step, put a +1/+1 counter on Furious Spinesplitter for each opponent that was dealt damage this turn. 3/3 |
| Glimpse the Cosmos | 1U | Sorcery | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. As long as you control a Giant, you may cast Glimpse the Cosmos from your graveyard by paying {U} rather than paying its mana cost. If you cast Glimpse the Cosmos this way and it would be put into your graveyard, exile it instead. |
| Viconia, Drow Apostate | 2B | Legendary Creature — Elf Cleric | At the beginning of your upkeep, if there are four or more creature cards in your graveyard, return a creature card at random from your graveyard to your hand. Choose a Background (You can have a Background as a second commander.) 2/3 |
| Seal from Existence | 1WW | Enchantment | Ward {3} (Whenever this enchantment becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) When Seal from Existence enters the battlefield, exile target nonland permanent an opponent controls until Seal from Existence leaves the battlefield. |
| Lieutenant Kirtar | 1WW | Legendary Creature — Bird Soldier | Flying {1}{W}, Sacrifice Lieutenant Kirtar: Exile target attacking creature. 2/2 |
| Mark of the Oni | 2B | Enchantment — Aura | Enchant creature You control enchanted creature. At the beginning of the end step, if you control no Demons, sacrifice Mark of the Oni. |
| Nissa, Vastwood Seer | 2G | Legendary Creature — Elf Scout | When Nissa, Vastwood Seer enters the battlefield, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle. Whenever a land enters the battlefield under your control, if you control seven or more lands, exile Nissa, then return her to the battlefield transformed under her owner's control. 2/2 |
| Tomorrow, Azami's Familiar | 5U | Legendary Creature — Spirit | If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order. 1/5 |