mtg pre alpha cards Limited Edition 1E | 295 (English) destroy that creature if it attacked this turn. Pre-Alpha Playtest Power 9 :

You are then incentivized to play spells rather than other cards which is often just wanking about with things like Ponder and while being great value isn't great tempo

It wasn't for Standard, but in colorless EDH decks like Zhulodok, Void Gorger or certain artifacts decks, Liberator, Urza's Battlethopter really helps drop stuff in end steps

The Black Gate The Black Gate doesn't do anything the average gate deck cares about, but that unblockable ability pairs well with commanders that care about attacking or dealing combat damage, like The Infamous Cruelclaw or Kaalia of the Vast

Wurmcoil is just so damn good that removal that counters it effectively has added value