Since youre making tons of tokens each turn, you can easily get 3-4 points of damage dealt to your opponents on top of whatever combat shenanigans you might have going on

Synthoids Aang and La, Ocean's Fury Aang's Journey Aang, Destined Savior Aang, Master of Elements Aarakocra Sneak Aardwolf's Advantage Abandon Attachments Abandon Reason Abandon the Post Abandoned Air Temple Abandoned Campground Abandoned Outpost Abandoned Sarcophagus Abbot of Keral Keep Abduction Aberrant Mind Sorcerer Aberrant Researcher Abhorrent Oculus Abjure Aboleth Spawn Abolisher of Bloodlines Abomination, World Ravager Aboshan's Desire Aboshan, Cephalid Emperor About Face Abrade Abraded Bluffs Absorb Energy Absorb Identity Abstergo Entertainment Abstract Iguanart Abstract Paintmage Abstract Performance Abstruse Archaic Abstruse Interference Abundant Countryside Abundant Maw Abzan Banner Abzan Monument Academic Dispute Academy Drake Academy Elite Academy Journeymage Academy Loremaster Academy Manufactor Academy Raider Academy Researchers Academy Ruins Academy Wall Academy at Tolaria West Accelerate Acceptable Losses Access Denied Access Tunnel Accessories to Murder Accomplished Automaton Accorder's Shield Accumulate Wisdom Accumulated Knowledge Accursed Duneyard Ace's Baseball Bat Acid Rain Acidic Dagger Acidic Soil

Mana of any type can be spent to activate Sharkey's abilities
Suddenly, some of those super valuable cards became a lot less valuable overnight
People love to bling out their manabase, so we here, so we can offer you a Blood Crypt from Dissension (Spanish, PL), a Brushland (Seventh Edition, NM) and a Karplusan Forest (Seventh Edition, NM)
Reach of Branches also costs 5, and makes a 2/5 Treefolk Shaman instantly to block or attack