There are two different ways to do this
So, you can get your hands on whatever youd like a little earlier than usual
No, while all walls have defender since the cards were erratad to have the keyword, wall is a creature type so its not technically the same as defender
it then creates a copy of that card, and if it's a land, Sin gets to copy another card as well
Obeka, Splitter of Seconds adding extra upkeep steps after the current combat phase works well alongside format staples like Phyrexian Arena, but Im interested in using it alongside the Court cards that reward you for being the monarch, especially Court of Ire and Court of Locthwain
Ripples of Potential is probably the single most important new card in the entire series