The Convergence of Dominion even helps put cards in your graveyard directly from your library, a mechanic called mill, with its Translocation Protocols ability, milling three cards and building your undead army
This ability costs less to activate, where X is the number of differently named lands you control
Kamigawa: Neon Dynasty - Complete Set (Factory Sealed) $440.99 US Shipping Only Due to export restrictions, this item may only be shipped to addresses in the United States, APO/FPO addresses, and Puerto Rico
2021-03-19 If a card with flashback is put into your graveyard during your turn, you can cast it if it's legal to do so before any other player can take any actions.
Or all of them
You have to obstruct your view of one face in some way, whether through sleeves or by using the one-sided tokens included in some booster packs