If you lose any of the aforementioned creatures, you can get some sacrificial eldrazi spawn tokens thanks to Pawn of Ulamog
It quickly became clear as we were creating the plane that we wanted to visit it, so we spent extra time on the worldbuilding to set ourselves up for a return a couple of years later
Some tap abilities have tapping the creature as the only cost, like [c]Prodigal Sorcerer[/c]
Dack Fayden can also serve as a multi-tool, simultaneously filtering through your deck to find the combo and taking the opponents artifacts, if not to use for winning, then at least to protect yourself
For three mana, you get two very strong effects
With this on the battlefield, whenever a player casts a spell, they exile it and get a random one from their deck instead