Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Counterspell

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Players skip their untap steps.
At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Return target creature to its owner's hand.

{T}, Sacrifice Black Lotus: Add three mana of any one color.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.