mtg return target card from your graveyard to your hand Back for Seconds Revive the Draugr from Kaldheim

While Phyrexian Soulgorger pales in comparison to the three cards above, having a free scaling sacrifice outlet is an effect that some decks can quickly manipulate regardless of the beneficial stats on this creature

So while Addle rarely misses it still doesn't hit the most relevant target as often as you need for a two mana card of this nature to be a big deal

Knowbys Incantation

This is a separate ability from the mana generation, so you can get started with this as soon as Rivaz comes down

In the right shell, this will do a lot of work

That shell is a mono blue artifact shell centered around Emry, Lurker of the Loch, Sai, Master Thopterist and cheap artifacts