Gyarados

When Gyarados enters the battlefield, Choose one:
• Gyarados gains "Whenever you draw a card, this creature gains a +1/+1 counter"
• Gyarados gains "Whenever a player mill a card, this creature gains +1/+1 counter"

Whenever another creature with a combined power
or toughness higher than Gyarados, draw a card or target player mills a card.