Treva, the Renewer (Pro Tour) [Pro Tour Promos] Juggernaut and has "Whenever a player

and has "Whenever a player casts a spell or a creature attacks

Set: The Brothers' War Retro Artifacts Type: Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature has first strike and gets +X/+0

put a +1/+1 counter on Locus Cobra

Set: Rise of the Eldrazi Type: Sorcery Rarity: Rare Cost: {3}{R}{R} After the first postcombat main phase this turn

Set: Kaldheim Prerelease Promos Type: Legendary Creature — Squirrel Rarity: Rare Cost: {3}{G} This spell can't be countered

Treva, the Renewer (Pro Tour) [Pro Tour Promos] Juggernaut and has "Whenever a playerSet: Pro Tour Promos Type: Legendary Creature Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying Whenever Treva, the Renewer deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.