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At the beginning of your end step, discard your hand

7.8%inclusion 8%synergy 36 decks 461 decks Deadly Dispute 7.7%inclusion -5%synergy 199 decks 2.58K decks Obscuring Haze 7.5%inclusion 5%synergy 214 decks 2.86K decks Sorceries Spider Spawning 59%inclusion 58%synergy 1.51K decks 2.57K decks Rampant Growth 46%inclusion 14%synergy 1.32K decks 2.86K decks Kodama's Reach 44%inclusion 18%synergy 1.25K decks 2.86K decks Farseek 33%inclusion -3%synergy 937 decks 2.86K decks Nature's Lore 33%inclusion 1%synergy 934 decks 2.86K decks Bushwhack 29%inclusion 27%synergy 838 decks 2.86K decks Swarmyard Massacre 27%inclusion 25%synergy 690 decks 2.58K decks Blasphemous Act 26%inclusion -7%synergy 186 decks 707 decks Three Visits 24%inclusion 0%synergy 700 decks 2.86K decks Roar of Challenge 22%inclusion 22%synergy 631 decks 2.86K decks Spider Food 22%inclusion 21%synergy 616 decks 2.86K decks Kindred Dominance 21%inclusion 18%synergy 554 decks 2.58K decks Romantic Rendezvous 21%inclusion 21%synergy 133 decks 621 decks Harmonize 16%inclusion 8%synergy 447 decks 2.86K decks Kapow

Unlike the Giant Shark, which tends to inhabit trade binders and junk rare bins, the Shambleshark may strike at any place, any time
Standardize While most of the time, these types of effects appear on Enchantments and permanently impact the game state while they remain on the battlefield, there are exceptions
No, they don't, and can equip the same turn they enter the battlefield