Swooping Pteranodon (Borderless) Aetherdrift where X is the number

where X is the number of creatures you control

Mobilize 1 (Whenever this creature attacks

Any number of target opponents each sacrifice a creature with the greatest power among creatures that player controls and lose 3 life

Whenever this permanent enters or attacks

Activate only if you control a Dragon

Swooping Pteranodon (Borderless) Aetherdrift where X is the numberFlying, haste Whenever this creature or another Dinosaur you control with flying enters, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains flying and haste until end of turn. At the beginning of the next end step, target land deals 3 damage to that creature.