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Flying

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.

({T}: Add {G}.)

({T}: Add {U}.)

Enchant creature

All creatures able to block enchanted creature do so.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

{2 generic}2: Target red or white creature gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Vigilance

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 and has flying.

This land enters tapped.

{tap}↷: Add {blue}U.

{tap}↷, Sacrifice this land: Add one mana of any color.

({T}: Add {B}.)

{red}R{red}R, {tap}↷: This creature deals 2 damage to target creature.

{white}W{white}W, {tap}↷: Target creature gains protection from the color of your choice until end of turn.