The Master, Transcendent [Fallout] Cat Giant Enchanted creature has "Whenever this

Enchanted creature has "Whenever this creature attacks alone

or enchantments

you may search your library for a creature card with toughness 2 or less

Set: Modern Horizons 2 Tokens Type: Token Creature — Bird Rarity: Common Flying

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Human Scout Rarity: Rare Cost: {2}{G} Whenever a land enters the battlefield under your control

The Master, Transcendent [Fallout] Cat Giant Enchanted creature has "Whenever thisSet: Fallout Type: Legendary Artifact Creature Mutant Rarity: Mythic Cost: {1}{B}{G}{U} When The Master, Transcendent enters the battlefield, target player gets two rad counters. {T}: Put target creature card in a graveyard that was milled this turn onto the battlefield under your control. It's a green Mutant with base power and toughness 3 3. (It loses its other colors and creature types.)