For example, if a 5/5 creature that's also a planeswalker with three loyalty counters on it is dealt 4 damage, it's been dealt 1 excess damage and Aegar's ability may trigger
Based on the latest market prices tracked on TCG Stacked, a foil copy of Urza, Lord High Artificer is worth about $224.02 USD
I proxy in expensive cards and produce them when I play
However, the fact that Treetop Sentries can trade a Food for a card is a valuable thing, and Thornvault Forager searches out your important Squirrels, so whether or not you use it for mana creation (and thereby forage) doesn't really matter
Head of the Class would fit best in an Orzhov (whiteblack) spellsmatter or heroicstyle deck that plays a high density of cheap instants and sorceries that target creaturessuch as protection spells, pump spells, or removal that can target your own creatureso you consistently trigger Repartee while also discounting a key spell each turn
One way to start the process is to employ the elephant method
