Joven and Chandler [Unknown Event] Human Pirate Whenever another creature with power

Whenever another creature with power 4 or greater enters the battlefield under your control

I don't know what that is or who it belongs to

Set: Outlaws of Thunder Junction: Breaking News Type: Instant Rarity: Uncommon Cost: {G}{U} Choose one —

Your horse deserves a braver rider

Joven and Chandler [Unknown Event] Human Pirate Whenever another creature with powerSet: Unknown Event Type: Legendary Creature Human Rogue Rarity: Common Backup 2 (When this creature enters the battlefield, put two +1 +1 counters on target creature. If that's another creature, it gains the following abilities until end of turn.) Haste Whenever this creature deals combat damage to an opponent, destroy target artifact that player controls.