But they can only attack their owner, so that's a bit of a brake
While Exavolt might also deal 30 damage to Mega Ampharos EX if used to its maximum capability, it also guarantees damage of 170 to the opponent's active pokmon, as well as the promise of paralyzing it
Darksteel Colossus Rarity: Mythic Rare TYPE: Artifact Creature SUBTYPE: Golem CMC: 11 Mana cost: USD: $0.66 EUR: 1.12 TIX: 0.02 EDHREC RANK: 2563 (11/11) Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Indestructible (Damage and effects that say "destroy" don't destroy this creature.) If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead
It's unlikely that we'll ever see anything printed that's more efficient than Bitterblossom
Bonders Enclave, on the other hand, offers some much needed extra card draw in the mana base
For one mana Id like to draw a card and then draw two cards at four mana, but instead I have to pay extra mana on both halves to crack my Clues