It's Opt but with a non-keyworded Surveil instead of a Scry
If you discard a land card, the creature doesn't get a +1/+1 counter, but your hand is probably better, so that's something
With K'rrik you only need to pay four mana to cast Peer, losing 6 life immediately and then half your life total when it resolves
The Gatewatch Deploy the Gatewatch | Illustration by Wesley Burt The Gatewatch is a coalition of planeswalkers that originally came together on Zendikar to protect it against the recently awoken Eldrazi
Still, itd be folly not to recognize that Goblin Guide was the card youd least like to see cast against you if you were playing control or midrange for most of the early 2010s
To play a card means to play that card as a land or to cast that card as a spell, whichever is appropriate. The main differences are: Casting a spell uses the stack and you must have priority to cast it