clash cards mtg Mana — Seventh Edition (7ED) | Card Mana Clash deals 1 damage to each player whose coin comes up tails Mana Clash | 4th Edition

FWIW Flying and Menace makes most Demons effectively unblockable, or close enough to not matter

Voice has also appeared in Collected Company decks in Modern, as it's a wondeful target, and was a staple of Birthing Pod decks before Pod was banned, because it could be sacrificed to Pod and still leave something behind.

Its also part of a number of infinite mana combos, my favorite of which is the more aspirational than realistic Old Gnawbone and Hellkite Charger

General Kreat, the Boltbringer General Kreat, the Boltbringer slid under my radar, which I find rather embarrassing because I constantly champion the value of Impact Tremors in Commander, and this might be one of the best versions of the effect

Dihada enabling lifelink and indestructible until end of turn is likely also going to have other upgrade guides push you to use these mechanics way morebe that by increasing the number of creature removal / board wipes or adding cards that are going to heavily impact life totals, like Heartless Hidetsugu or Aetherflux Reservoir