Palinchron (Combo, Creature) 48
While the common version of this card has a low value, the exclusivity of the D23 promo makes this version worth a lot more
For three mana, youre going to flash in Cathar Commando, block something huge, and then sacrifice it to Disenchant something
This ensures that if the cutting blade is off by a fraction of a millimeter, you aren't left with an ugly white border on your card
Enchantment The Rollercrusher Ride Delirium If a source you control would deal noncombat damage to a permanent or player while there are four or more card types among cards in your graveyard, it deals double that damage instead
Darksteel Juggernaut and Nettlecyst provide excellent candidates for Peacocks unblockable ability, smashing in for a lot of damage