Crimson Fox, Emerald Bird, and Yellow Marten are all Level 4
You can keep doing it until you have a Basic Pokemon card in your hand, but your opponent will draw one extra card for every mulligan you take
Ward forces your opponents to spend even more mana to remove it, making it a good trade for you either way
UR Ultra Rare Fists of the Unrivaled Tenyi X TRAP Counter When a Spell/Trap Card, or monster effect, is activated while you control a face-up non-Effect Monster: Negate the activation
Also read: Pokemon TCG Pocket: Best Solgaleo ex deck guide Metal-type Pokemon in Pokemon TCG Pocket offer a mix of durability, strategic defense, and Energy acceleration
Indestructible specifically states, Damage and effects that say destroy dont destroy this. Deathtouch specifically says, Any amount of damage this deals to a creature is enough to destroy it. That destroy word is important