omniscience mtg card Is the back of this from Enchanting Tales? From the Magic 2013 (M13) set. Omniscience - MTG Proxy Magic

While usually its hard to draft a deck that supports multiple delve cards, the enablers are good enough that I dont think it will be a problem

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) Create an X/X colorless Shapeshifter creature token with changeling and deathtouch, where X is the number of land cards in your graveyard

Another subtly powerful card to include is Raiders' Karve, a common Vehicle that looks at the top card of your library when you attack, and if it's a land, puts it into play tapped

Casting Cost: Card Text: Exile target creature and put two time counters on it

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If they cant or are unwilling to, you get to draw two cards, propelling you with either extra cards in hand or putting you at a better advantage on the board.