A few people will build decks around the sets cool parasitic themes, but what were looking for are cards that people will slot into their existing brews
With Kardur, Doomscourge be patient enough to let your opponents play down some heavy hitters then you get maximum impact from the ETB that goads all opposing creatures
(It's an artifact with ", Sacrifice this token: Add one mana of any color.") Enchanted creature gets +2/+2 and is goaded
This reprint comes from 2013s Gatecrash set, part of the Return to Ravnica block, and has been a staple in Commander since
While these decks aren't going to be competitive against seasoned players, they're effective enough to show what makes for good synergy and basic combos
To proliferate means to choose any number of permanents and/or players that have a counter, then give each one additional counter of each kind that permanent or player already has