I'm holding out for annoytris. You get random pieces until the AI detects you're being greedy. If it thinks you're trying to setup a 4-line Tetris, then that's

I'm holding out for annoytris. You get random pieces until the AI detects you're being greedy. If it thinks you're trying to setup a 4-line Tetris, then that's when it starts with the bad pieces. Best strategy is to clear 1, 2, or even maybe 3 lines at a time. (But don't get in the 3-line habit, you might anger the AI still)