For example, if you control The Ozolith ("Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.") when Sin's last ability resolves, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature
Action cards like Steal from the Rich give disruptive tempo swings, while items such as the Longbow add consistent damage and control over the board
If you have creatures like Goldspan Dragon or care about artifacts (such as branching into UG or RG) then Provisioner is a slam dunk include
While it is a lighter form of Infect, divorced from the attackers power, an opponent still only needs 10 Poison counters to lose the game
While a card with an Adventure is in your hand, library, or even exile, it has only the characteristics of the permanent, not the Adventure spell
If you cant, sacrifice Egon and draw a card