Im a real sucker for combat-triggered abilities, so it means that I get to play favorite cards like Emberwilde Captain, Hellrider, and Sun Titan
For 4 mana, we get a game-ender for 2 mana cheaper than Felidar Sovereign on a white enchantment, so it's harder to remove with just a simple Doom Blade, and doesnt require we spend that 50 life to blast someone like Aetherflux Reservoir
However, the Colossus has indestructible meaning it cannot die from lethal damage
On the other hand, TCG mid prices allow for an apples-to-apples comparison to Commander decks from the past
If they have 4 or more cards in their hand, choose all but 3, and your opponent shuffles the chosen cards into their deck
Since it's a creature in most zones, you can even reanimate it or tutor it up with Chord of Calling and similar effects