Again, Zur is played all over
(This happens each time a spell you control or an ability of a permanent you control causes an opponent to pay extra mana
This reminds me of the Born of the Gods archetype cycle which makes premium abilities like hexproof completely one-sided, and with Drana and Linvala, you've got power over the table's activated abilities in your command zone
That's right, this means that a Siege's controller can attack it with their creatures, and the opponent they chose as its protector can assign their own creatures to block those attackers
Its got synergies with oil counters and counters in general, it protects itself, and you get some cards when it ETBs
Even without these cards, a couple of Goblin lords like Rundvelt Hordemaster can turn your fresh tokens into a lethal board regardless