Whenever Stone-Tongue Basilisk deals combat damage to a creature, destroy that creature at end of combat.Threshold — As long as seven or more cards are in your graveyard, all creatures able to block Stone-Tongue Basilisk do so.
Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)
Destroy all creatures. They can't be regenerated.Threshold — If seven or more cards are in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.
Enchant creatureAt the beginning of each upkeep, put a plague counter on Traveling Plague.Enchanted creature gets -1/-1 for each plague counter on Traveling Plague.When enchanted creature leaves the battlefield, that creature's controller returns Traveling Plague from its owner's graveyard to the battlefield.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)Threshold — As long as seven or more cards are in your graveyard, Frightcrawler gets +2/+2 and can't block.