Sandman's second ability applies only at the time blockers are declared
Cards like Vito, Thorn of the Dusk Rose and Sengir, the Dark Baron ensure every swing counts, while removal spells like Terminate and Mortify clear the way
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) If Surge Conductor and one or more other nontoken artifacts you control enter the battlefield at the same time, Surge Conductor's ability will trigger for each of those nontoken artifacts
But in a more casual environment, or one where another player is looking like the 'archenemy', you might draw four cards and gain four bunnies
The seventh post in the thread was by Pegaweb (whose name might be familiar if you ever spent time reading the mammoth Great Designer Search threadcurrently the longest thread on the magicthegathering.com response forums), which said the following: Chroma should not be keyworded