A consistent engine of card advantage, Phyrexian Arena is appreciated for its simplicity and reliability, making it a mainstay in decks that can afford the incremental life payments for sustained drawing power
This is nice in theory, but I didn't mention the most limiting factor: it's only possible to activate at sorcery speed
Imagine you put this on a Woodfall Primus or Frost Titan
Thermopod Thermopod keeps up with the sacrifice theme
You Find the Villains Lair is ideal for the role: not only is it a great way to set up your graveyard, but you also have the option of countering a spell without dedicating one of your slots to it
Upon rotating out of the Standard format, several M2 1 cards increased in value due to gameplay in formats like Pioneer, Commander, and Modern