Masticore [Urza's Destiny]

Masticore [Urza's Destiny]Set: Urza's Destiny Type: Artifact Creature Masticore Rare Cost: {4} At the beginning of your upkeep, sacrifice Masticore unless you discard a card. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate Masticore.

Set: Modern Masters 2015 Type: Enchantment — Aura Rare Cost: {2}{R}{R} Enchant creature Enchanted creature has "{T}: Create a token that's a copy of this creature

Lean years follow in the wake of a great war

Return them to the battlefield at the beginning of your upkeep on your turn X in the next game you play with one of your opponents in this game

Memnarch understands

Set: Friday Night Magic 2004 Type: Instant Rare Cost: {U} Draw three cards

and remove it from combat

Dunno how to count no more

Set: Limited Edition Beta Type: Enchantment — Aura Uncommon Cost: {R} Enchant creature Enchanted creature has mountainwalk

When Darksteel Reactor has twenty or more charge counters on it

Set: Legends Type: World Enchantment Rare Cost: {3}{B} At the beginning of each player's upkeep

Set: Arabian Nights Type: Creature — Djinn Rare Cost: {2}{B}{B} At the beginning of your upkeep

Each of the revealed cards' {CHAOS} abilities triggers