Juju Bubble

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When you play a card, sacrifice Juju Bubble.
{2}: You gain 1 life.

Sapphire Leech

Flying
Blue spells you cast cost {U} more to cast.

Mogg Squad

Mogg Squad gets -1/-1 for each other creature on the battlefield.

Rust Elemental

Flying
At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

Alabaster Leech

White spells you cast cost {W} more to cast.

Ruby Leech

First strike
Red spells you cast cost {R} more to cast.

Indentured Djinn

Flying
When Indentured Djinn enters, each other player may draw up to three cards.