Originally Posted by
FTW
This doesn't make sense. You should have the same result against both decks. Each of them plays turn 1 Stalwart, turn 2 Tactician, turn 3 1/1 (or never play the 3rd creature and grow earlier). After that they get 1 Tactician activation per turn, growing at the same rate. H can't activate both Tacticians in one turn. Gobbo can't both activate Harrier and Tactician. Both can put counters on any of their creatures to spread it around. The math should be the same.
For the rest of us with Thoughtseize we can discard Gobbo's only Tactician and win easily, but you don't have Thoughtseize.