Turning this into 10 Treasures upon defeat gives you your initial investment back and then some
Utility: No attached sac outlet means Elas can only heal you without backup, but getting so many lifegain triggers when creatures enter means you can lean into lifegain synergy more than other aristocrats commanders
The sets will also include some Unova legendary Pokemon like Reshiram, Kyurem, and Zekrom, with ex versions available for all three
Best ETB Creature Payoffs The easiest payoff for creatures with enters abilities are Panharmonicon variants
"OP11-067 Charlotte Katakuri" can also set itself to active again with its [End of Your Turn] effect, allowing it to both attack and activate [Blocker]
When its not being cycled for a basic land, Ancient Excavation can shape up your hand and fill your graveyard, though casting it as a spell is card disadvantage