Salvat 2011

Razormane Masticore

First strike (This creature deals combat damage before creatures without first strike.)
At the beginning of your upkeep, sacrifice this creature unless you discard a card.
At the beginning of your draw step, you may have this creature deal 3 damage to target creature.

Duel Decks: Elspeth vs. Tezzeret

First strike
At the beginning of your upkeep, sacrifice Razormane Masticore unless you discard a card.
At the beginning of your draw step, you may have Razormane Masticore deal 3 damage to target creature.

Tenth Edition

Fifth Dawn

First strike
At the beginning of your upkeep, sacrifice Razormane Masticore unless you discard a card from your hand.
At the beginning of your draw step, you may have Razormane Masticore deal 3 damage to target creature.