Of the 29 instant and sorcery spells in this deck , many are direct damage spells, some of which have a huge base cost that is possible to reduce
And you could do worse than Maelstrom Colossus in your Averna, the Chaos Bloom or Imoti, Celebrant of Bounty decks
There is a lot of text on this card
Like most Magic: The Gathering cards, the value of Mother Kangaroo depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Unsanctioned)
Fine card, possibly even a decent commander, just for a different creature type
Intruder Alarm was reprinted in the Wilds of Eldraine: Enchanting Tales and combines with as few as one other card to provide infinite creatures