At the beginning of your second main phase, if an opponent lost life this turn, exile the top two cards of your library. Choose one of them. Until end of turn, you may play that card.

Offspring {1}{R} (You may pay an additional {1}{R} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Whenever another creature you control enters, this creature deals 1 damage to each opponent.

Whenever this creature attacks, defending player loses 1 life and you gain 1 life.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this creature enters, it deals 1 damage to target opponent and you gain 1 life. Max speed — This creature has deathtouch and haste.

Whenever you attack with one or more Lizards, this creature deals 1 damage to target opponent. {1}{R}: Put a +1/+1 counter on this creature. Activate only if an opponent lost life this turn and only once each turn.

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Landfall — Whenever a land you control enters, this creature deals 1 damage to target opponent.