We can't rely solely upon our opponents running great creatures and letting us destroy them, so it will make sense for us to run creatures with important keywords like indestructible and hexproof
As far as actual utility for this blade goes, it's fun to pay 7 mana for the gimmick, but you shouldnt expect this sword to go off super consistently
The deck has no defense, everything is a three or four-card combo, and it takes way too long to get an engine going
After all, the variance in rarity is deliberate in terms of the distribution of cards in booster packs
A card like Tergrid, God of Fright gives us immense value in combination with cards that say each opponent discards a card or sacrifices a creature. Casting Tergrid and following with a planeswalker like Angrath, the Flame-Chained or something like The Eldest Reborn is back-breaking
Yes, Im ignoring the 30th Anniversary Edition printings of the card on principle