Normally, a sealed pack of 65 sleeves from ETBs can be found on the secondary market for around 3
It's also great for simply whittling down larger creatures you can't take down in a single sweep with said spells or the Spinerock Tyrant itself
When this creature enters, if was spent to cast it, creatures you control get +1/+1 and gain haste until end of turn
Bontu the Glorified Bontu's Monument Chandra, Pyromaster Gideon of the Trials Hapatra, Vizier of Poisons Hazoret the Fervent Hazoret's Monument Jace, Unraveler of Secrets Kefnet the Mindful Kefnet's Monument Liliana, Death's Majesty Neheb, the Eternal Neheb, the Worthy Nicol Bolas, God-Pharaoh Nissa, Steward of Elements Oketra the True Oketra's Monument Razaketh, the Foulblooded Rhonas the Indomitable Rhonas's Monument Samut, Voice of Dissent Samut, the Tested Temmet, Vizier of Naktamun The Locust God The Scarab God The Scorpion God Throne of the God-Pharaoh Unesh, Criosphinx Sovereign
In my experience, with this many cantrips, you can get away with running as few as 18 lands without encountering mana-related issues
The other is a quirky, synergistic puzzle box filled with unique new cards