There are certain cards that work well with this strategy like Kalonian Hydra, and hydras in general because theyre usually 0/0 that ETB with +1/+1 counters
Note that it says "leave the field," meaning this triggers off of blink effects, return to hand, exile, and more
(Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) Legendary Creature - Human Rogue Lulu, Loyal Hollyphant Flying At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each tapped creature you control, then untap them
It's got classics like true-to-name nemesis and doubling season, PLUS dual lands first printed in battlebond, like morphic pool
Sac the lady, and you get a free 8/8 with reach that cannot be blocked, and offers the same advantage to anything non-Human