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This is a dangerous trigger to have on the board, the discard is really an interesting effect, potentially hugely powerful and potentially grabbing huge things and casting them for free from an opponents deck but the cost is so high that it seems hard to make it work
Obviously good against Four-Color Rally, Kalitas is also just a difficult-to-kill threat that can gain you some life back to help stabilize the midgame and pay for those Painful Truths
As a starter deck, Blackbeard provides a stable baseline to learn core game mechanics such as resource management, trash utilization, and board control
This is a great win-con in any control brew and with mass removal can get into a win con size even in Commander
Terra wants to reanimate small creatures while the 99 wants to go big