In the case of The First Iroan Games, after putting three +1/+1 counters on Garnet and making Garnet a beefy attacker, you can remove a lore counter from it to ensure Garnet grows bigger and bigger every turn
This next card will help with that second part
Escape Protocol will be very helpful with Niv-Mizzet Reborn on the battlefield, allowing me to flicker him and get another 10-card flop for just one mana when I cycle another card
Vona, Butcher of Magan Seven life is a steep cost to kill a creature, but Orzhov excels at life gain
I love the idea of building a strange combination of activated abilities depending on what your opponents are playing with, along with your own creatures that might end up in the graveyard
You could theoretically ramp quite a bit with it, but thats ultimately in the hands of the table