Thoughtseize in because taking 2 damage from it is better than 34 damage from a burn spell
You won't put +1/+1 counters on it, but you will gain some life
My favorite bit of secret tech revealed by EDHREC is Wellsprings use in Yenna, Redtooth Regent decks, a card that can just sit there and make copies of Wellspring until everyone has to give you all their lands on your turn
Lozhan, Dragons' Legacy gives you a few options of how to trigger its ability, allowing you to mix adventure with dragons to make a two-themed deck out of the card types
Like father, like son: Monkey D
Token creature creation benefits the alliance mechanic in general, with a card like Gala Greeters getting max potential if you can create enough bodies each turn