While interacting with each other's cards, players attempt to accrue twenty points (known in game as "lore") before their opponent
Annihilator The Eldrazi are not all about their foes having you know, stuff
Unrivaled The closing of the Ixalan block brings everything to a head: quests for power, shifting allegiances, and the fate of an ancient artifact that holds within it the destiny of entire worlds
For far greater detail, you can read the two-part article about planeswalker design that I linked to above
The Gitrog Monster This lands commanders abilities really are the epitome of two steps forward and one step back, but sometimes you get something really right on the first iteration
If you do need another card, or want to skip the revealing part, discarding a Vault of Whispers and sacrificing a Dockside Chef puts the necessary card types in your graveyard, and puts Demonic Counsel right in line with Demonic Tutor