It can no longer be attacked, and damage dealt to it won't cause it to lose loyalty counters
Cards from the sets below are most likely to be legal in the Standard format, though there are a few exceptions in a few of the sets
Best Outlaws of Thunder Junction cards MTG Lilah, Undefeated Slickshot Goldvein Hydra Kellan, the Kid Jace Reawakened Final Showdown Bristly Bill, Spine Sower The Gitrog, Ravenous Ride Insatiable Avarice Three Steps Ahead Fblthp, Lost on the Range Theres a really interesting mix of cards in Thunder Junction, with a fun focus in the set on turns that you will be taking, rather than just the one you are taking
Six mana is still a great rate to bring back three or four creatures, for example, especially if they have good enter the battlefield abilities
However, if you haven't sacrificed any Foods this turn as your end step begins, the ability won't trigger at all
it wasnt just the double Thoughtseize but the pressure of a 3/2 or sometimes 4/3 Grief landing on turn 1