They have a lower pull rate than Common cards and often include essential deck components
Each activation improves card quality or advances mana development, which gradually pulls the deck ahead without forcing risky plays
It's happening again
Lands (11) Spells (49) 1 Tendrils of Agony 4 Brainstorm 1 Yawgmoth's Bargain 1 Vampiric Tutor 1 Mystical Tutor 4 Duress 1 Necropotence 1 Mana Vault 1 Wheel of Fortune 1 Sol Ring 1 Demonic Tutor 1 Time Walk 4 Dark Ritual 1 Ancestral Recall 1 Mana Crypt 1 Windfall 1 Timetwister 4 Burning Wish 1 Mind's Desire 1 Memory Jar 3 Chromatic Sphere 1 Demonic Consultation 1 Tinker 1 Black Lotus 1 Mox Diamond 1 Lotus Petal 4 Lion's Eye Diamond 1 Mox Emerald 1 Mox Jet 1 Mox Pearl 1 Mox Ruby 1 Mox Sapphire Long.dec and the numerous descendants like Grim Long derive their name from the archetypes original architect, legendary deckbuilder Mike Long (which, of course, led to Burning Wishs restriction)
Each card requires multiple types of energy to attack, which means that players often can't feature alternate attackers in their decks
The Promo Audino, too, has an alternate move called Drain Slap, which deals 40 damage and heals 10 damage on the Pokmon not bad, but a little more limited in its utility than the main set variant