I love this as an adjunct to other discard, and Thoughtseize is the best since it has the widest range of things to discard only lands cannot be chosen
Their only ability lets you exile a card from your graveyard to discover for X, with X equalling the mana value of that card
Though, at first glance, the hound's lack of abilities may paint it as an underwhelming commander, its converted mana cost of one allows for Isamaru to be played on the first turn of nearly every game
We all know the ward mechanic can just allow a card to sit on the field for a long time since it can't be chosen for an effect for removal
You wont often regenerate a creature, but having the option of countering a spell that targets you or fogging is great
As with every other card in this list, Commence the Endgame potentially stacks with