mtg whenever a card leaves your graveyard Attuned Hunter · Tarkir: Dragonstorm (TDM) #135 · Scryfall Magic: The Gathering Search Whenever one or more creature cards leave your graveyard Corpse Connoisseur MTG - Archenemy

That win can either be the already common Thassa's OracleThassa's Oracle into Demonic ConsultationDemonic Consultation or Tainted PactTainted Pact to empty out your library, or cheating Astral DragonAstral Dragon into play with Hashaton to make copies of Machine God's EffigyMachine God's Effigy, which will in turn become more copies of Astral DragonAstral Dragon, resulting in infinite 3/3 creatures and/or infinite non-creature artifacts you control

Not found in any other Commander Legends booster packs, Collector Boosters contain at least two extended-art cards, with a chance of up to five

Azorius Oculus Primer Zen reports back from the Pro Tour

Most of the time, blocking is done with a single creature