mtg bloomburrow commander decks squirrel Squirreled Away - List.add(d Bloomburrow Squirrel Chatterfang, Squirrel General

Inferno TitanInferno Titan (42,108 decks) is a classic target, letting us bolt a blocker on both entry and attack, softening up an opponent in the process

That's the strongest effect

Sure, your opponent might have ten beasts in their green deck, but Callous Oppressor would still be able to steal their four goblins, three elves, and two other creatures that weren't beasts

(I am, btw, going to take the physical ring from that game to use as my tempted by the Ring marker)

Once you get to turn six and beyond, it's very likely that you have run out of spells to play

However, if Duggan leaves and later returns to the battlefield, he's considered a new permanent (with a new set of abilities) and it can be activated again