Raging River [Alpha Edition] Bird Whenever another creature you own

Whenever another creature you own dies

And yea he doth spake: "Let there be Magic

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step

that player searches the top four cards of that library instead

Raging River [Alpha Edition] Bird Whenever another creature you ownSet: Alpha 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.