mtg cards like elixir of immortality Altered Art Here is another one of

Now you can replace a burn spell or two with more blue counter and bounce disruption and pad out the red removal with more effective removal that doesn't go face

Yes, casting a card from your graveyard counts as a card leaving your graveyard

[105] However, core sets were discontinued following the release of Magic Origins , on July 17, 2015, at the same time that two-set blocks were introduced

It's hard to measure the things that aren't happening, but things may be not happening because of what you did

This is because whenever your Commander is put into your hand, library, graveyard, or exile, you generally have the option to move it back to the Command Zone