These are all pretty much sideboard tools and not things you want main
Orcish Bowmasters Why does this card exist

Other lots in the sale certified by CGC Trading Cards include: a set of 62 Pokmon 1999 Fossil Set 1st Edition cards graded CGC 6.5 to 9.5 (lot 1980) with an estimate of $2,000 to $5,000 a set of 64 Pokmon 1999 Jungle Set 1st Edition graded CGC 5 to 8.5 (lot 1979) with an estimate of $2,000 to $5,000 a Dark Charizard Pokmon 2000 Team Rocket 1st Edition 4/82 Holo graded CGC 9 (lot 2021) with an estimate of $1,000 to $2,000 a Charizard Pokmon 2000 Base Set 2 4/130 Holo graded CGC 8.5 (lot 2019) with an estimate of $700 to $1,000 a Mewtwo Pokmon 1999 Base Set 1st Edition 10/102 Holo graded CGC 7.5 (lot 1992) with an estimate of $700 to $1,000 a Shining Tyranitar Pokmon 2002 Neo Destiny Unlimited 113/105, graded CGC 7.5 (lot 2035) with an estimate of $400 to $700 a Charizard Pokmon 1999 Base Set Unlimited 4/102 Holo graded CGC 7 (lot 1999) with an estimate of $400 to $700 a Charizard Pokmon 1999 Base Set Unlimited 4/102 Holo graded CGC 7.5 (lot 1998) with an estimate of $400 to $700 a Blastoise Pokmon 1999 Base Set Unlimited 2/102 Holo graded CGC 8.5 (lot 1997) with an estimate of $400 to $700 a Savannah Magic: The Gathering 1994 Revised Edition Rare graded CGC 8.5 (lot 1975) with an estimate of $400 to $700 All estimates are provided by the auction house.

Particularly for cards like Manga Rares that have a sense of specialness in their appearance itself, they are viewed strongly as collection targets rather than simple cards for gameplay
But thats not a death trigger
Giggling Skitterspike is a wild choice from the recent Duskmourn: House of Horror Commander decks: since its indestructible, it makes an excellent recipient of any effects that add +1/+1 counters (including its own monstrosity ability), and when it gets big enough it can really inflict a bunch of damage to each opponent