Tocasia's Welcome casts a wider net since it cares about mana value rather than power, but the creature versions have the benefit of being creatures, which works well since these cards often go into creature-centric decks
Rhet-Tomb Mystic, one of the cards included in the Hashaton, Scarab's Fist Commander precon, give your Creatures Cycling for , giving you an inexpensive way to fill your graveyard, while also drawing cards in the process
Beginning with Misty, this card lets players flip as many coins as possible until they get tails
Excluding starters and Synchron cards, I have kept the cards I don't want to draw naturally to just "Crossroad Runner" and "Synchro Rumble"
I suspect sealing gates is the most common victory, though in the two games I played prior to writing this review we once banished Nyarlathotep (after he killed half the characters) and we once closed all the gates in Arkham (astonishingly, without sealing a single one of them)