Mentor of the Meek [Commander 2016] Plane Travelers' tales claim that hydras

Travelers' tales claim that hydras bite off their own heads to make themselves deadlier

Set: Betrayers of Kamigawa Type: Creature — Spirit Common Cost: {U} Sacrifice Teardrop Kami: You may tap or untap target creature

Set: Odyssey Type: Sorcery Rare Cost: {5}{W}{W} You gain 2 life for each card in your graveyard

Set: Magic 2015 Type: Creature — Rat Common Cost: {B} Deathtouch (Any amount of damage this deals to a creature is enough to destroy it

' the traveler said

Mentor of the Meek [Commander 2016] Plane Travelers' tales claim that hydrasSet: Commander 2016 Type: Creature Human Soldier Rare Cost: {2}{W} Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card. "In these halls there is no pass or fail. Your true test comes with the first full moon."