Bilbo's Ring

During your turn, equipped creature has hexproof and can't be blocked.

Whenever equipped creature attacks alone, you draw a card and you lose 1 life.

Equip Halfling 1 (1: Attach to target Halfling you control. Equip only as a sorcery.)

Equip 4 (4: Attach to target creature you control. Equip only as a sorcery.)