You want to make sure that your high-value, rare cards keep their value, whether you look to sell or trade your cards in the future or want them insured
(3) If this card in its owners possession is destroyed by an opponents card: You can Special Summon 1 Dream Mirror monster from your GY, except Oneiros, the Dream Mirror Erlking
The Young versions of heroes are used for Blitz, and have a lower health total than their older versions
Doing so also lets you draw three cards, keeping your hand full and your Pokemon ready to attack
In terms of synergy, consider: Titania, Protector of Argoth, to profit off sacrificed lands Crucible of Worlds or Ramunap Excavator to keep the land train going Scapeshift or Crop Rotation for explosive plays Greater Good to bin huge creatures, then cast them again from the graveyard for a single land This card wants to be in any deck that flirts with graveyard recursion or land sacrifice