Champion of Lambholt [Starter Commander Decks] Plant Centaur and it has "{2}{U}{U}: Return

and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step

Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way

Set: Commander 2016 Type: Creature — Elf Rarity: Uncommon Cost: {3}{G} When Gamekeeper dies

Fallen Askari can't block

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Artifact Rarity: Rare Cost: {3} {4}

Champion of Lambholt [Starter Commander Decks] Plant Centaur and it has "{2}{U}{U}: ReturnSet: Starter Commander Decks Type: Creature Human Warrior Rarity: Rare Cost: {1}{G}{G} Creatures with power less than Champion of Lambholt's power can't block creatures you control. Whenever another creature enters the battlefield under your control, put a +1 +1 counter on Champion of Lambholt.