Second, it will always give your opponent a free nonland card
Ironheart, Clever Champion 37%inclusion 135 decks 367 decks The Fantasticar 51%inclusion 79 decks 154 decks King T'Challa 6.1%inclusion 78 decks 1.28K decks Council of Reeds 6.8%inclusion 47 decks 695 decks Professor Hulk 17%inclusion 42 decks 242 decks Top Commanders Urza, Lord High Artificer 23%inclusion 4.51K decks 19.8K decks Jhoira, Weatherlight Captain 49%inclusion 3.36K decks 6.93K decks Nekusar, the Mindrazer 7.4%inclusion 2.32K decks 31.2K decks Sergeant John Benton 48%inclusion 2.30K decks 4.81K decks Flubs, the Fool 7.9%inclusion 1.90K decks 24K decks Fblthp, Lost on the Range 74%inclusion 1.84K decks 2.48K decks Feather, the Redeemed 11%inclusion 1.52K decks 13.3K decks Xyris, the Writhing Storm 7.4%inclusion 1.42K decks 19.3K decks Vivi Ornitier 3.6%inclusion 1.31K decks 36.8K decks Kami of the Crescent Moon 32%inclusion 1.21K decks 3.73K decks Mm'menon, the Right Hand 31%inclusion 1.06K decks 3.46K decks Meria, Scholar of Antiquity 29%inclusion 1.04K decks 3.56K decks Kwain, Itinerant Meddler 15%inclusion 1K decks 6.80K decks Kynaios and Tiro of Meletis 6.8%inclusion 881 decks 13K decks Sheoldred, the Apocalypse 7.2%inclusion 844 decks 11.8K decks Zedruu the Greathearted 6.7%inclusion 813 decks 12K decks Queza, Augur of Agonies 7.3%inclusion 669 decks 9.12K decks Ms
Giving your creatures indestructible and +1/+0 helps them trade up against your opponents while ensuring they stick around to clap back
A full pack is fine too
Sanctum of All Shrines are back in Core Set 2021
