Not only is this 500 life points cheaper than Solemn Warning (every little bit helps, right?) but it also allows you to negate monster effects
You can take profit of these self-destroying effects by chaining "Scrapstorm" and/or "Scrap Sheen" to their activations, as well as by using "Scrap Factory" to Special Summon almost any "Scrap" monster from the Deck, when another one is destroyed by a card effect and sent to the Graveyard, either by their own effects, or by a general one, such as "Raigeki", "Sylvan Marshalleaf", "Artifact Moralltach" etc
This is a big one that separates Arena from MTG Online and MTGA from IRL play which do offer trades
In the eight-page scientific paper Magic: The Gathering is Turing Complete, three computer scientists tested the game on a computational level by encoding itso it can be played by a computer or the mathematical model of computation known as a Turing machine
The weakness of Griselbrand is that if you are too far behind when you make him you have to wait for him to deal damage before you can risk drawing cards and in this situation you are going to get wreaked by the right removal