
Companion — Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)
Flying
When Yorion enters, exile any number of other nonland permanents you own and control. Return those cards to the battlefield at the beginning of the next end step.
Yorion is a blink-value engine in UW: deploy ETB-heavy permanents, then loop Yorion (or other flicker effects) to re-trigger them for card advantage, board control, and incremental value until you grind opponents out. You build the board with token-makers, draw engines, and removal-on-a-stick creatures, then turn the corner with an overwhelming advantage or a value-fueled finisher.
Add tight infinite combos like Felidar Guardian + Saheeli's Artistry-style mana or Ghostly Flicker + Archaeomancer + a mana rock for instant wins, and prioritize fast mana (Sol Ring, Mana Crypt, signets) to deploy Yorion earlier. Tighten the deck with the best ETB payoffs and protection (Teferi's Protection, Heroic Intervention) while cutting weak value creatures so the larger deck size stays consistent. Consider whether to run Yorion in the 99 with a different commander if you want a 100-card deck rather than the bloated companion build.
The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.
No combos found for this commander on Commander Spellbook.
Same color identity (UW), by popularity.