We had never done that before
As far as the Mysterious Fossil and PokeDoll, I'm not sure
4 Second Chance In golf, they have something called a mulligan
Instant Color tag templates(None) Instant (CTRL to add secondary) Land Qty: 38 Price: $197.34 Azorius Chancery This land enters tapped
C Common Getsu Fuhma X DARK Level 4 [ WarriorEffect ] ATK 1700 DEF 1200 If this card battles a Fiend or Zombie-Type monster, destroy that monster at the end of the Damage Step
While just enchanting things for value is a fine, fun way to play Estrid, the Masked, things can get out of control quickly if you start playing cards like Overgrowth and Fertile Ground so that Estrid's +2 acts like a massive ramp spell, and then The Chain Veil (perhaps enchanted with a Mask aura thanks to Estrid's 1) give you an easy way to activate your Estrid, the Masked an infinite number of times, potentially making infinite mana by untapping your lands and eventually winning with her Replenish ultimate