Add script for Ambassador Oak
Add script for Arrogant Bloodlord
Add script for Acidic Sliver
Add script for Armor Sliver
Add script for Barbed Sliver
Add script for Brood Sliver
Add script for Bloodstained Mire
Add script for Firewake Sliver
Add script for Crypt Sliver
Add script for Darkheart Sliver
Add script for Clot Sliver
Add script for Harmonic Sliver
merged new cards
etbTriggers should be cleared in each update
added two test scenarios