C Common Link Back X SPELL Target 1 Link Monster you control in the Extra Monster Zone
The only downside is they are slower than youd like, especially Shard of Greed which needs two turns to take effect
I also think the synergy with Ring cards might be good enough I'd go out of my way to include them
Nightshroud destroys "Neos Wiseman" with "Darkness Neosphere", and Yubel encourages Jaden to use the effect of "Neos Wiseman" to revive "Neos" by banishing her, and she reassures Jaden that he is not alone
Energy cards are usually plentiful, but the most expensive Water Energy cards can reach heights that would make Pokemon and trainer cards jealous
You can discard that card, and, if you have seven or more cards in your graveyard, you can transform it into the legendary land, Azcanta, the Sunken Ruin