mtg adapt cards mechanic variations : r/custommagic choose a creature type ≫ MTG Aberrant decks and

With Rings of Breathearth and Basalt Monolith on the battlefield, tap Basalt Monolith to make three colourless mana

Strict Proctor

Everything 1.9g and up needs to be cloely investigated

This gets out of hand quickly even if this is the only Dragon youre attacking with, but is even better if you combine with the ETB effect of Scourge of Valkas

Its not perfect because it wont help against unconditional counters that say Counter target spell without targeting the creature specifically, but when it does line up, its pretty satisfying

Again, more new-to-Magic cards means more opportunities for high-value goodies that arent being counted here, so dont shrug the deck off completely