Dolmen Gate [Mystery Booster] Oldschool Whenever another nontoken Dragon enters

Whenever another nontoken Dragon enters the battlefield under your control

(While they're phased out

create a 5/5 red and green Elemental creature token

Set: Collectors' Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

Dolmen Gate [Mystery Booster] Oldschool Whenever another nontoken Dragon entersSet: Mystery Booster Type: Artifact Rarity: Rare Cost: {2} Prevent all combat damage that would be dealt to attacking creatures you control. Lorwyn's stones resonate with the place from which they were hewed. Though taken far, still they call to their home when silence is upon the land.