Cliff (@WordOfCommander at Twitter and BlueSky) has been writing for MTGPrice since 2013, and is an eager Commander player, Draft enthusiast, and Cube fanatic
Efficiency can be determined simply by the reward you receive at certain mana costs (Counterspell and Cancel do the same thing, but Counterspell costs less), the total payoff you receive from a single card (Hull Breach and Decimate are both good cards, but Decimate usually covers much more ground), or the payoff you receive in conjunction with other cards (Anointed Procession makes other token production cards completely absurd if unchecked, which is usually better than adding one more card that simply makes tokens like Spectral Procession in a token strategy)
The Everywhere token created by Overlord of the Hauntwoods's last ability has the land types Plains, Island, Swamp, Mountain, and Forest
Choosing someone as friend is also a highly effective way to get someone on your good side
Pulling off this feat can be tough: You need six legendary creatures in play simultaneously , plus one mana of every color available
