mtg card library Sylvan (EX) For each of those cards Library of Leng (Borderless) -
Description
It's impossible to get Poisoned more than once at a time - if you ever add a second Poisoned token, it replaces the first one

Now thats powerful

If each Eldrazi that could block the equipped creature is tapped or is affected by a spell or ability that says it cant block, then none of them block

Cloud may be the obvious pick for 7, but Holt tells me the others involved some brainstorming
