It might not look like much but adding incidental hate cards to your decks does a lot to flesh out an interactive suite
If it's a creature or planeswalker card, put it into your hand
Sure, Ranger gets Seer, which lets you scry into Redcap territory on your next turn, but infinite life with House Guard is just fine and you can Pod your Finks into that Redcap, too
In Standard, I can see this being an obligatory slot-in for Izzet or Jeskai control builds
These wizards have haste and are exiled at the beginning of the next end step, so you only get them for the turn, but many wizards have strong ETB's, from Bloodline Necromancer to Archaeomancer, making the extra token so useful
This often can catch opponent's off guard who are used to looking at your mana to see if you can cast spells as opposed to looking at all of your utility artifacts