Worldwalker Helm

Destroy all nonland permanents with mana value 1 or less. Cycling 2 (2, Discard this card: Draw a card.)

Trample Whenever this creature or another creature you control with power 4 or greater enters, you gain 3 life and draw a card. When this creature dies, if it's not a token, create a token that's a copy of it, except it's an artifact in addition to its other types.

This land enters tapped. As it enters, choose a color. T: Add one mana of the chosen color. 1, T: For each color among monocolored permanents you control, add one mana of that color.

Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Whenever you cast a spell that's one or more colors, you may gain 1 life for each of that spell's colors. Do this only once each turn. T: Add one mana of any color.

When this artifact enters, it deals 2 damage to any target. 2, T, Sacrifice another artifact: Create a 3/3 colorless Golem artifact creature token.

This land enters tapped. As it enters, choose a color. T: Add one mana of the chosen color. 1, T: For each color among monocolored permanents you control, add one mana of that color.

When this creature enters, target opponent discards a card. Whenever one or more players discard one or more cards, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "2, Sacrifice this token: Draw a card.")