Likewise, if a spell or ability reduces the amount of mana it costs you to cast a spell with converge, you can't ignore that cost reduction in order to spend more colors of mana
I don't really know stuff like the proper meta at the time and I might get a bunch of things wrong
Grazilaxx, Illithid Scholar plays well with the unblockable trigger from Peacock, and it also lets you attack into an unfavorable blocking situation where you can bring back the creatures that would otherwise die and recast them
Oh, and did I mention that if you draw three cards, lose two cards, and have a Psychatog on the table, you've just grown your 'Tog by +6/+6 (two cards in graveyard + Fact or Fiction + 3 cards in hand -- discard the three cards to have six in the grave, remove all six to give another +3/+3)
The board can explode, someone can fire off a Cyclonic Rift , or the combat step can turn into chaos