From that point on, your opponent is heavily incentivized to block every creature you attack with, which is something you can use to your own advantage
Its first abilities give you mana and card advantage, then you can buff up your bunny for a big swing
Voltron is a classic Commander strategy, and Galea, Kindler of Hope is a great Voltron commander, acting as a card advantage engine that also cheats equip costs
You can just run a bunch of red cards like this naturally, or use Vedalken Orrery to open everything up
Obvious contenders are Snapcaster Mage and the like - creatures that accrue their value when entering the battlefield or in response to an opponent's attempt at a maneuver, and can then be used to counter a new threat later
Disney Lorcana Card Sleeves Aladdin Heroic Outlaw JAPAN OFFICIAL