It turns your non-Knight support creatures into Knights to benefit from synergies, and it makes Knight tokens, albeit slowly, so hooray
Since Deathtouch means only one damage is needed to be considered lethal to any blocking Creature, any extra damage will Trample over to the defending player
I think Nissa, Vital Force is better ,since you can block with the animated land the turn you cast her if you only have five mana
Grumgully, the Generous could also be a mad-hatter character, still bested by Mad Ratter though
Hear from Wizards of the Coast Creative team members and one of several external cultural experts that helped build the environments, aesthetics, and characters we'll meet there
The most relevant rules are: 112.3b Activated abilities have a cost and an effect