Blue usually has a say in what stays on the battlefield and what doesnt
Mishra's Bauble sees lots of play in Modern Murktide lists to get an artifact in the graveyard
It can also be used in Cyber Dragon decks centered on Cyber Eltanin
So I would consider putting a 1-1 line of Magikarp and Gyarados in a water type deck, I would keep Gyarados on the bench, get five energy cards on it, and wait until late in the game to use it, depending on which move does more damage, that would determine the move I would use
Elesh Norn // The Argent Etchings Rarity: Mythic Rare TYPE: Legendary Creature // Enchantment SUBTYPE: Phyrexian Praetor // Saga CMC: 4 Mana cost: USD: $8.69 EUR: 6.07 TIX: 0.02 EDHREC RANK: 4113 (3/5) Vigilance Whenever a source an opponent controls deals damage to you or a permanent you control, that source's controller loses 2 life unless they pay
Now I know EXACTLY what you're thinking right now: "Oloro