Raging River [International Collectors' Edition] SM130 and it has "{2}{U}{U}: Return

and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step

Set: The List Type: Creature — Hydra Rarity: Mythic Cost: {G}{G}{G}{G}{G}{G}{G}{G} This spell costs {G} less to cast for each green creature you control

Set: Zendikar Rising Prerelease Promos Type: Creature — Snake Rarity: Rare Cost: {1}{G} Landfall — Whenever a land enters the battlefield under your control

"Our brave Tuskeri brethren blaze new trails

Set: Sun & Moon: Unified Minds Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

Raging River [International Collectors' Edition] SM130 and it has "{2}{U}{U}: ReturnSet: International Collectors' Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.