Adamantoise

Thunder Element sources are ineffective
-Sand Storm {2}{w}{t}, Deal 1 damage to creatures target opponent controls and inflicts Darkness 3.
Owner may prevent Darkness by winning a coin
flip, per creature.
-White Wind {w}{w}{t}, After blockers are declared
roll 1d6. Prevent that much damage to up to 3 attacking creatures.
-Cool Down 3 (3 turns to reuse ability)