Examining the recent frog commanders on EDHREC, we can see that some Glarb, Calamity's Augur and Clement, the Worry-Wart players are running this card, presumably because they want to play frog tribal and there just aren't enough frogs
Protection from a color means that the target creature can't be blocked by creatures of that color, can't be the target of spells of that color or abilities from sources of that color, can't be enchanted or equipped by Auras or Equipment of that color, and all damage that sources of that color would deal to it is prevented
Vegapunk, Rob Lucci, Kizaru, and Bonney
Treasure Cruise is an amazing card, and Izzet Phoenix remains the best Pioneer deck to exploit the powerful delve spell
Every trading card game follows a similar pattern, though each has its own intricacies that players need to adapt to if they want to build a successful deck and win battles