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'Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards...
'You don't lose unspent green mana as steps and phases end.
Omnath gets +1/+1 for each unspent green mana you have.
'Sliver creatures you control have "{T}: Add one mana of any color."
'You may pay {B} rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield.
Each player sacrifices thirteen creatures of their choice.
'{T}: Add {C}.
'You don't lose unspent green mana as steps and phases end.
Omnath gets +1/+1 for each unspent green mana you have.
'First strike Whenever Alesha attacks, put a +1/+1 counter on it. Raid — At the beginning of your end step, if you attacked this turn, return target creature card with...
'Sliver creatures you control have "{T}: Add one mana of any color."
'Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.
'{2}, {T}: Put a charge counter on this artifact. {T}, Remove any number of charge counters from this artifact: Add {B}, then add an additional {B} for each charge counter...
'Return up to X target artifact and/or non-Aura enchantment cards each with mana value X or less from your graveyard to the battlefield. If X is 6 or more, those...
'{2}, {T}: Put a charge counter on this artifact. {T}, Remove any number of charge counters from this artifact: Add {R}, then add an additional {R} for each charge counter...