The card game industry tends to shift a lot, but some restrictions stay the same from when they were implemented
Elas il-Kor having deathtouch also means it's perfectly capable of trading off in combat, despite most Blood Artists being frail and useless as attackers or blockers
You can send it at something's face for a lot of damage
Counters that players could have include energy counters, experience counters, poison counters, rad counters, and ticket counters
Unlike spree from Thunder Junction , you can only add one effect to the card, though it seems like the baseline spell doesn't cost anything extra
//// Dragon-Kami's Egg Enchantment Creature Egg 0/1 Whenever Dragon-Kami's Egg or a Dragon you control dies, you may cast a creature spell from among cards you own in exile with hatching counters on them without paying its mana cost