Copy spells also have the added bonus of copying any ramp spells like FarseekFarseek or any card draw spells
Radagast, Wizard of Wilds One of the mythical five wizards of Middle-Earth, Radagast, Wizard of Wilds generates tokens when you cast spells with mana value of five or greater
Elvish Warmaster Last, but certainly not least, we have Elvish Warmaster
Because these are the cards that have been used up, the discard pile is public knowledge to both you and your opponent and is face up the entire game
Both offer different numbers of cards and different goodies, but which option is better for your collection or game
Theres a bunch of things you can do with this, but again, I like running it in decks like Sisay, Weatherlight Captain the most