Split second is a keyword ability originally introduced in 2006's Time Spiral which occasionally pops up in Commander- and Modern-focused products
The second Topsy Turvy will essentially undo the first one
If you like the healing stuff, get more Grand Pabbie Oldest and Wisest
Ultimately, even when you exclude the potential buff ability, Finale of Devastation is definitely worth a spot on this list
There are five great 3-color options for you to draft that are clearly defined by the in-universe clan the combination represents
However, if it survives the encounter, during the next end step, an amount of +1/+1 counters are put on Protean Hydra equal to twice the amount that were removed, effectively regrowing two heads in the place of each that were lost