One of the best ones in the game also happens to be one of the best Trap cards in general, that being Ultimate Providence
Its 1998 Unglued For the first time, Magic cards are printed with a silver border
The first can be used occasionally to threaten folks, and get in free damage during your upkeep
you cant cast it without sacrificing a creature, and you cant sacrifice additional creatures
turns out making it a 13/13 flampler with protection from instants, that can cost as little as four mana (thank you battles!) and can work as a solid delirium commander, didnt change anyones mind
On top of the Adamancipator monsters is the inclusion of generic level 4 or lower rock monsters that can be used as fodder for Block Dragon and Synchro Summons, many of which are low rarity