In a deck that can consistently gain life each turn, you're making all your opponents sacrifice a creature and getting back a creature from the graveyard
Regarding three-color identities, Jeskai (the combination of Blue, Red, and White) is highly regarded for its powerful synergies with non-creature cards and control options
Fourth, you will need Trade Stamina to conduct a trade
Booster Box (One Piece Wings of the Captain | One Piece Cards) prices are based on the historic sales
The Green Tutors Between Green Sun's Zenith, Chord of Calling, Invasion of Ikoria, and Finale of Devastation, there are tons of X-spells in green that tutor creatures directly into play, some pulling from the graveyard, too
Time Walk has such a simple effect, yet its so cheap and powerful that it would give its user an overwhelming advantage, especially if they were able to use multiple versions in their deck