Looping creatures like Thragtusk or Sin Collector was a gamechanger for the time
Youll still want to play some noncreature spells, since Nikya will likely not be in play all the time, but it does let you go wild with big X spells since youre generating a ton of mana
(To mill a card, a player puts the top card of their library into their graveyard.) You might also be interested in these products
A staple in a lot of Red Commander decks, and made more accessible via Enchanting Tales, damage multipliers are no-brainers for those looking to eke out as much value from their spells as possible
Make your opponents whole deck into a certain color, and then Grindstone mills them out
This deck would cast Squandered Resources, sacrifice all lands to Natural Balance, then cast Cadaverous Bloom, and then pitch cards to generate mana and draw more cards