Landfall payoffs include Scute Swarm and Omnath, Locus of Rage which both fill the battlefield with creatures
Dina will deal one damage to each opponent whenever you gain life, which sets you to slowly burn your opponent while you gain life
Im always happy to turn my card draw into additional creatures, which puts payoffs like Homunculus Horde and Jolrael, Mwonvuli Recluse high on my list
The Big Switcheroo Volatile Stormdrake While I dream of a deck whose only purpose is to amass enough energy to swap a Volatile Stormdrake with, for instance, an opposing Volatile Stormdrake feels like it could be at home in a similar type of deck as an especially potent way to pull the rug out from under opponents just when they think they've landed a creature that might help them put the game away
Harpies Feather Duster If your opponent is the type of person who plays a lot of traps, Harpies Feather Duster will just absolutely ruin their day
Others may need to go slow and understand how cards work as you go