the source of the effect is irrelevant
Often the problem with Farewell when compared to something like Cyclonic Rift, Winds of Abandon or possibly MIzzium Mortars and Perplexing Test is that it gets rid of so much permanently and doesnt really push the player who casts Farewell ahead in almost any way
Even better, that creature gets a little bigger the more cards you have in hand
Drogskol Reaver is also a classic Oloro, Ageless Ascetic card, because this commander allows you to automatically gain 2 life each turn, so youre drawing cards off Oloro and Drogskol for cheap
Mirari, The Immortal Sun, Helvault, Legacy Weapon, and The Aetherspark the list continues
But here's the rub: collecting cards is really only a part of the game's wider, cyclical mechanical journey