If you do, that creature gains indestructible until end of turn
Honorable Mentions: Darkpact + Timmerian Fiends + Tempest Efreet Three cards that mention exchanging control of cards are banned in all formats for their references to ante, a now-defunct mechanic that asked players to wager the cards from their libraries in games of Magic
With the popularity of battle royale Commander play, its hard to have an aggressive deck that doesnt rely on one of these cards to help with sustained damage, especially when one of these can be your commander
If you're able to keep your equipped and enchanted permanents on the board, Chishiro causes them to grow more dangerous with time, providing them with a +1/+1 counter during each of your end steps
This Zombie Cleric hoses Human typal shenanigans, boasts the rare intimidate keyword, and also gives all your (non-Human) creatures the potent undying ability
It also has the added benefit of modifying your creatures in deck, graveyard and exile so you can use specific tutor and abilities to find cards you normally couldnt, like with Mogg Catcher