Border Guardian

Whenever you cast a silver-bordered spell, put a +1/+1 counter on Border Guardian.
Whenever you cast a black-bordered spell, Border Guardian can’t be blocked this turn.
Whenever you cast a white-bordered spell, Border Guardian gains double strike until end of turn.

Everythingamajig

Sacrifice a land: You gain 2 life.
Sacrifice a creature: Add .
, Discard a card: Search your library for a card that shares a complete word in its name with the name of the discarded card, reveal it, put it into your hand, then shuffle your library.

Everythingamajig

: Flip a coin. If you win the flip, add . Activate this ability only any time you could cast an instant.
, : Target player discards a card. Activate this ability only during your turn.
: Everythingamajig becomes an X/X Construct artifact creature until end of turn.

More or Less

Add or subtract 1 or one from a number or number word on target spell or permanent until end of turn.

Selfie Preservation

Search your library for a basic land card and reveal it. If there’s a tree in its art, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle your library.

Everythingamajig

, : Draw a card. Activate this ability only if you have no cards in hand.
, : You gain 10 life.
, , Sacrifice Everythingamajig: You may put a silver-bordered permanent card from your hand onto the battlefield.

Shapers of Nature

: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from a creature you control: Draw a card.

Jade Guardian

Hexproof (This creature can’t be the target of spells or abilities your opponents control.)
When Jade Guardian enters the battlefield, put a +1/+1 counter on target Merfolk you control.