When Ecologist's Terrarium enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
![2](/Handlers/Image.ashx?size=small&name=2&type=symbol)
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![Tap](/Handlers/Image.ashx?size=small&name=tap&type=symbol)
, Sacrifice Ecologist's Terrarium: Put a +1/+1 counter on target creature. Activate only as a sorcery.