Flash (You may cast this spell any time you could cast an instant.)

When Breaching Hippocamp enters the battlefield, untap another target creature you control.

Flying

Whenever Coveted Peacock attacks, you may goad target creature defending player controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Fretwork Colony can't block.

At the beginning of your upkeep, put a +1/+1 counter on Fretwork Colony and you lose 1 life.

Kicker (You may pay an additional as you cast this spell.)

As Monstrous War-Leech enters the battlefield, if it was kicked, mill four cards. (To mill a card, put the top card of your library into your graveyard.)

Monstrous War-Leech's power and toughness are each equal to the highest mana value among cards in your graveyard.

Trample

Other creatures you control have trample.

Vigilance

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Enchant creature

Enchanted creature has haste and "At the beginning of your upkeep, destroy this creature. Reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and attach Shifting Shadow to it, then put all other cards revealed this way on the bottom of your library in a random order."

Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.