Eight of them , to be precise, although it can probably produce more of them given a bit of warning
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Creature - Beast Boar Phyrexian Core Prowler Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When this creature dies, proliferate
We rely on Commander Spellbook's community-maintained combo list, which is extensive but not exhaustive
The only downside is saying so long to some cards whose only wrong might be simply not being in the most recent set
Relevant to Clownblade-G(em-Knight), these two give the deck extra avenues to OTK, as they're a combined 6200 in their own rights
I am good, but only if I have 2 or more Hand Traps