Put target creature into its owners library second from the top.

Defender (This creature cant attack.)

When Coral Barrier enters the battlefield, put a 1/1 blue Squid creature token with islandwalk onto the battlefield. (It cant be blocked as long as defending player controls an Island.)

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays 2.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owners graveyard.

Draw two cards.

Enchant artifact or creature

Enchanted permanent doesnt untap during its controllers untap step and its activated abilities cant be activated.

Enchant artifact

Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesnt untap during its controllers next untap step.

Trample (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)

Glacial Crasher cant attack unless there is a Mountain on the battlefield.