cards that deal damage to each opponent mtg Lasting Tarfire (ECL) #149 Rackling

Rather than restricting what spells of yours cost less, Helm of Awakening gives everybody the discount

Explore lets Hakbal decks utilize a huge range of possible sub-themes with their merfolk: +1/+1 counters, landfall, self-mill and recursion, topdeck mechanics like cascade and discover, even hand-size matters and self-discard

Felisa, Fang of Silverquill Felisa, Fang of Silverquill sits at a really interesting place

Hazezon, Shaper of Sand Hazezon, Shaper of Sand has a distinctly specific version of landfall, but getting to play a desert-themed deck is an interesting quirk

These decks are highly varied, with one revitalising the Energy mechanic from Kaladesh, and another bringing back the fan-favorite Eldrazi Creatures