From flashing out blockers to removal like Meteor Golem or All is Dust, this is brokenly awesome in your Command Zone, and cheap for recasts
This means you will get to untap on the Time Vault turn, and then go off with more draw spells, removal, or another Stasis
I don't believe either of those rules are in contention for the top spot of "old rules that would still be be sweet to use in oldschoolmtg", but that is a fully different post
Orcish Siegemaster While Orcish Siegemaster mentions Orcs and Goblins in the text, I dont imagine giving Orcs and Goblins trample will be all that crucial for most of those sorts of decks, though if youre amassing an Orc Army that gets large enough, that could come into play
These new cards have the SPE set code and are not legal in Standard