Giving all your Dinosaur spells an alternate casting cost of two generic and one red lets you sneak in some early damage with a small Dinosaur, only to turn around a drop a seven or eight mana one, possibly as early as turn three
Lapse of Certainty is similar to Tibalts Trickery, but a lot less expensive to purchase
Mana Crypt did in fact get the axe, but Sol Rings in a different position
The MTG Finance community is hot on Defender Tribal too for some reason (do you really think there's a high demand here?), targeting some legitimately good options like Shield Sphere:
Dowsing Dagger: It can come in early, and delays itself by two turns with the tokens unless you have ways to take the tokens out either the turn it comes in or the next turn
Like the day/night cycle from Midnight Hunt , initiative lasts throughout the game once started