You can use this post to discuss the worldwake card Halimar Excavator!!

Source: visual worldwake spoiler - Worldwake Visual Spoiler : Wizards of the Coast



Halimar Excavator 1U
Creature — Human Wizard Ally
Whenever Halimar Excavator or
another Ally enters the battlefield
under your control, target player puts
the top X cards of his or her library
into his or her graveyard, where X is
the number of Allies you control.
1/3
(Common)