Because they cant do anything at all with that mana during your turn, it guarantees that all of your opponents will be losing 3 life each turn and you still get extra mana out of Yurlok
A lot of sagas have maybe one or two good stages, but with Binding, youre getting some great effects on all three
One of the first commanders that came to mind when I saw this was Rakdos, Lord of Riots
Cantripping Bounce Instants - Repeal AND Blink of an Eye AND Into the Roil AND Repulse There are a full four cards in this category, and they are all instant bounce spells that replace themselves, which means that they are card neutrality, much like Recoil above only here you trade the instant cast with the card drawn by yourself which makes this a free tempo spell that sets your foe back a turn without spending mana doing so
Similarly, if Ulvenwald Mysteries isn't a token and has become a creature, it dying will cause its own first ability to trigger