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

Upheaval This board sweeper resets the entire game back to square one for only six mana, which would be problem enough and when you factor in all that mana you floated and are about to recast your mana rocks, its chances only get worse

There was also the non-legal gold printing which might be find depending on your playgroup but it could not be used in tournaments

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