Queen's Bay Paladin [The Lost Caverns of Ixalan] Shapeshifter Ally Rhonas the Indomitable can't attack

Rhonas the Indomitable can't attack or block unless you control another creature with power 4 or greater

3WW: Attacking creatures you control get +X/+X until end of turn

or triggered ability

Set: Shadowmoor Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Whenever a land enters the battlefield under an opponent's control

Queen's Bay Paladin [The Lost Caverns of Ixalan] Shapeshifter Ally Rhonas the Indomitable can't attackSet: The Lost Caverns of Ixalan Type: Creature Vampire Knight Rarity: Rare Cost: {3}{B}{B} Whenever Queen's Bay Paladin enters the battlefield or attacks, return up to one target Vampire card from your graveyard to the battlefield with a finality counter on it. You lose life equal to its mana value. (If a creature with a finality counter on it would die, exile it instead.)