Arbor Colossus [Commander 2015] Dragon's Maze you may return that nonland

you may return that nonland permanent card to the battlefield instead

[Start of Your Main Phase] If there're 6 or fewer total cards in both players' security stacks

Set: Murders at Karlov Manor Type: Artifact — Clue Equipment Rarity: Uncommon Cost: {U} Equipped creature gets +1/+1 and has "Whenever this creature attacks

suppressed

Arbor Colossus [Commander 2015] Dragon's Maze you may return that nonlandSet: Commander 2015 Type: Creature Giant Rarity: Rare Cost: {2}{G}{G}{G} Reach {3}{G}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1 +1 counters on it and it becomes monstrous.) When Arbor Colossus becomes monstrous, destroy target creature with flying an opponent controls.