This plays best at casual tables rather than competitive and primarily disrupts decks maintaining a full graveyard for grindy value, like Muldrotha, the Gravetide
Cards like prototype portal can keep more and more artifacts coming out, and there is even a platinum angel to make you invincible

Tundra - Alpha: Black ink aligned slight right, blue dots in crescent - Beta: Black ink aligned further right, no dots in crescent Savannah - Alpha: Black ink aligned slight down - Beta: Black ink aligned up Bayou - Alpha: Black ink aligned down - Beta: Black ink centered Scrubland - Alpha: Black ink aligned right - Beta: Black ink centered Plateau - Alpha: Black ink aligned down - Beta: Black ink aligned slight right - Note: Beta Plateau's have a unique print error (see next section) Badlands - Alpha: Black ink aligned slight right - Beta: Black ink aligned right Other Alpha Rares Copy Artifact - Alpha: Black ink aligned down and left - Beta: Black ink centered Mind Twist - Alpha: Black ink aligned down - Beta: Black ink centered Balance - Alpha: Black ink aligned down and right - Beta: Black ink centered Wrath of God - Alpha: Yellow ink along border edge - Beta: Centered Shivan Dragon - Alpha: Black ink aligned down and right - Beta: Black ink centered Fork - Alpha: Black ink aligned down - Beta: Black ink aligned slight right Chaos Orb - Alpha: Black ink aligned down and right - Beta: Black ink more centered Time Vault - Alpha: Yellow ink along border edge - Beta: Centered Alpha Print Defects Some Alpha Rares have print defects which can be used to help identify them from clipped Beta

Suppose I attack my opponent with [c]Venomous Hierophant[/c], which has deathtouch
(2/29/2020) Conversely, other cards like Primal Vigor don't mention "effects." If you control one of these cards, activating B.O.B.'s first loyalty ability would cause you to create two Beebles, and thus put two loyalty counters on B.O.B.
What makes these so strong is that they are effectively a land