Animate Dead From the 1994 Summer Magic set, this two-mana card 1 colorless, 1 Black has been reprinted so many times that 20 different versions of it exist
(2017-07-14) Solemnity stops counters from being put on an artifact, creature, enchantment, or land as it enters the battlefield, as well as stopping counters from being put on them later
If you're looking for a semi-permanent way to give your creatures hexproof, Avabruck Caretaker does so once it transforms into Hollowhenge Huntmaster
All with its single ability
It's a multiplayer format, typically four players, where each person builds a 100-card singleton deck (meaning only one copy of each card, except basic lands) built around a legendary creature called your Commander
The deck revolves around Phelia, Exuberant Shepherd, a little doggy that lets you activate all your enter the battlefield triggers multiple times