Shell also be great friends with Grim Hireling
He also has good synergy with various mass removal effects as you can save something of yours, even Venser himself, from the effect
While the flexibility these abilities offer is already quite powerful, unlike other Planeswalkers that may only activate one ability per turn, you can instead activate two of Urza's abilities during each of your turns
But doing both and giving this blue creature flash is just distasteful, to the point where I question why people would even want to play this in a Cube environment
Card Name Mana Cost Type Enchantment Rarity Rare rules Text Whenever a creature you control enters, put a +1/+1 counter on each creature you control
While the cartoon gave me unrealistic expectations for playing a TCG as a kid, Yu-Gi-Oh