mtg ur dragon commander deck Dragons/Reanimator - Scion of the Ur-Dragon Dragons Tribal Ur-Dragon Tribal - EDH Commander

I really enjoy its power in that tribe, and Dragons are, according to EDHREC.com the most popular tribe in Commander and I'd argue general kitchen table play as well, so this is very strong supporting multiple brews in multiple formats as well as leading one in Commander

You just need to build your deck around cheap creatures, then use cards like [[Raise the Past]] to rebuild after the inevitable board wipes

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Another way to earn free packs is by winning events and drafts

These cards usually make it more costly or difficult for others to threaten you with combat, either by requiring extra mana or forcing them to give up resources