Khalaji, The Slowest Current

Landfall — When a land enters the battlefield, put
an essence counter on it and target non-basic land an opponent controls.
When Khalaji attacks, put under your control,
tapped and attacking, each permanent with an
essence counter on it. They become 1/5 blue Fish
until end of turn.
Barrier Reef — Fish you control have "when this creature attacks its owner, return it to its owner's
hand at the end of combat. You each draw a card.
{t}{u}{g}{g}, create a 1/5 fish token