Sorcery Color tag templates(None) Explore You may play an additional land this turn
If the creatures in the log are attacking multiple defending players, those players declare their blocks in turn order
As we can see, there's a keyworded mechanic, Blight, that uses this counter type, and presumably the theme will get plenty of support in this set
Ouroboroid If there's two things players really enjoy it's +1/+1 counters and hydras
Instead of using warp as a way to get a cheap enter trigger, Anticausal Vestige actually wants you to exile it at the end of the turn, using a leave the battlefield trigger to cheat a permanent into play for free
These arent particularly fancy or complex abilities, but the way they interact suggests a neat strategy that plays to both legends strengths