The culture around the world was becoming increasingly digital, and there is much less yard space to go around
No, as the flavour text notes, this is a 'vicious crossbreed' that has 'unraveled the secret of steel'
Modern Times Fifth Dawn (2004) brought the new norm for card draw
When this enchantment enters, create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn." At the beginning of your first main phase, if you control four or more Birds, transform this enchantment
Presumably, then, there'll be a fair few shrine cards, though we wouldn't say it's 100% guaranteed
As always, Pokemon TCG Pocket developer DeNA has partnered with excellent artists to bring fun new monster art to the game