First opponents sacrifice creatures, then they discard, and finally, you steal from any graveyard
There are various places online where you can buy MTG proxy cards
Incremental speculation and good trading are important parts of savvy collection-building, but they cant do you much good if all of your gains are destroyed by something outside of your control
Faceless Haven is essentially worth splashing for in every monocolor aggro deck, and the Battle for Zendikar cycle of Shambling Vents / Needle Spires / Hissing Quagmire / Wandering Fumarole / Lumbering Falls saw widespread play during its time in the format
Certain ability doublers look for your creature's triggered ability so there's a lot of extra value to be found if you combine this list with The Peregrine Dynamo, Isshin, Two Heavens as One, or Roaming Throne
So that's less powerful in Commander where you may only shut down 20% of stuff