Then draw X cards, where X is the number of card types among cards in your graveyard
Here's one broken thing to do: Jace can plot an MDFC card like Valki, God of Lies since it just costs , but once plotted you can cast the other side, Tibalt, Cosmic Impostor for free
Alena, Kessig Trapper is the intended partner and does care about creatures with high power, but I can't help but want to jam some dinosaurs with enrage and get some extra triggers on Ranging Raptors, Urban Daggertooth, and Silverclad Ferocidons
Some are conditional or temporary, like Bow of Nylea and Binding the Old Gods, and some are linked to certain typal synergies, like Nalia de'Arnise, Venom Sliver, while Retreat to Hagra is a bit different in that it can easily grant it to any of your creatures