One of those other TCGs that we have an interest in is of course Pokmon
There could also potentially be other Eggs in The Lost Caverns of Ixalan, and if that is the case, Palani's Hatcher can quickly apply a lot of pressure the moment it hits the battlefield, if your deck revolves around Eggs
A rare find: A complete guide to the MTG Reserved List Bloom tender This is another low-cost card that gives you more mana access
1 Traditional foil uncommon with the showcase Ring treatment (23.3%), a borderless scene common (41.8%) or uncommon (32.6%), or a Nazgl uncommon (2.3%) Here, you can open one of the listed cards in traditional foil (which can include the common and uncommon borderless scene cards found in Prerelease Packs and Bundles)
Howlsquad Heavy Goblins hang around Magic all the time, so why not think of Howlsquad Heavy as the Gaea's Cradle of goblin decks
Any "As [this creature] enters the battlefield" or "[This creature] enters the battlefield with" abilities of the copied creature will also work