digimon greymon card [BT5-010] [Battle of Omni] Rare secret card featuring Greymon from the Digimon+Trading Card Game set Secret Crisis (BT17 Digimon Card Game BT2-065 War

the only real useful thing is the destruction, but that has so many restrictions that if you use it, you're probably already going to win

Instead, its an ACE SPEC card, ACE SPEC Prime Catcher 157/216 to be more specific , which has been newly reintroduced with Temporal Forces

Creature - Druid Rhino Phelddagrif : Phelddagrif gains trample until end of turn

Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities, such as mobilize (from the Tarkir: Dragonstorm release), are triggered abilities and will have "when," "whenever," or "at" in their reminder text