Time Bomb

At the beginning of your upkeep, put a pain counter on this artifact.

At the beginning of your end step, this artifact deals damage to you equal to the number of pain counters on it.

, , Remove all pain counters from this artifact: It deals damage to target creature equal to the number of pain counters removed this way.

At the beginning of your upkeep, you may put a page counter on this artifact.

, , Sacrifice this artifact: Draw X cards, where X is the number of page counters on this artifact.

This artifact enters with three arrowhead counters on it.

At the beginning of your upkeep, if there are no arrowhead counters on this artifact, sacrifice it.

, Remove an arrowhead counter from this artifact: Put a -1/-1 counter on target creature.

At the beginning of your end step, target opponent gains control of this artifact and puts a charge counter on it.

At the beginning of your upkeep, this artifact deals damage to you equal to the number of charge counters on it.

: Put a charge counter on this artifact or remove one from it.

At the beginning of your upkeep, you may put a soot counter on this artifact.

At the beginning of each player's upkeep, that player sacrifices a permanent of their choice for each soot counter on this artifact.

Sunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.)

, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to any target.