Four mana Tezz needs a much higher artifact count to work well and is far slower to impact the game
Both will get ward 1 whenever Radagast is around, but we'll focus on the bird-boosting features of Radagast, Wizard of Wilds
Bedrock Tortoise I dont see butts happening in Standard, but Bedrock Tortoise is going to (slowly) march on over to join your Arcades, the Strategist desk
Id seen before, but it was pretty limited in allowing non-standard layouts
Since your commander only needs to do 21 damage to take a player out, this card can be even more dangerous
Then there's Abuela Alma, who enables you to go digging through your deck for a Madrigal character, which further cements the predictability of the deck key in a tournament setting