Since were all about making copies of our stuff, lets focus on permanents with ETB effects to bring our instant and sorcery cards back, like Archaeomancer, Shipwreck Dowser, Scholar of the Ages, and Mystic Sanctuary
If the target spell or ability is modal (that is, it has a bulleted list of choices), the copy will have the same mode(s)
It's hard to stop with its perfect evasion that no one can block and it's harder to stop as well once you've set up great defenses that would stop the Elf or Viral Drake like flying Fog Banks and reaching Silklash Spiders
I quite like Louisoixs Sacrifice
You can create a Treasure token even if you didn't draw a card, for example
At the beginning of each opponents draw step, that player draws an additional card for each growth counter on this enchantment, then this enchantment deals damage to the player equal to the number of cards they drew this way