Ring of Kalonia [Magic 2013] Revised Edition creatures you control gain trample

creatures you control gain trample and get +X/+X

Set: Born of the Gods Type: Creature — Harpy Rarity: Uncommon Cost: {3}{B}{B} Flying

Set: Scars of Mirrodin Type: Artifact — Equipment Rarity: Uncommon Cost: {3} Equipped creature gets +4/-1

Set: Unlimited Edition Type: Instant Rarity: Common Cost: {U} Return target creature to its owner's hand

it deals X damage to any target

Ring of Kalonia [Magic 2013] Revised Edition creatures you control gain trampleSet: Magic 2013 Type: Artifact Equipment Rarity: Uncommon Cost: {2} Equipped creature has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, put a +1 +1 counter on equipped creature if it's green. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)