Polluted Delta - [Retro Frame] Onslaught (ONS){T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand

"As the experimental population grows

there'll be fewer goblins

Whenever Lorthos

{5}: Create a 1/1 colorless Myr artifact creature token

Whenever it deals combat damage to a player this turn

but here are a few Yargle Day reminders:

When Stumpsquall Hydra enters the battlefield

You may spend mana as though it were mana of any color

[−3]: Each opponent sacrifices a creature with the greatest power among creatures that player controls

Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents

"I'll leave subtlety to the rich