best self discard cards mtg Standard decks — Surprisingly a Self-Discard deck that

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Based on popularity and number of effects we have, the best option is likely blue and red

These make up the backbone of Modern mill decks, and Ruin Crab was a pretty big role-player alongside rogues in its Standard

Honorable Mention #3 - Nissa's Victory It's very simple

The card itself is fascinating, barring you from playing it for the first three turns of the game